Patents by Inventor Ladd T. Johnson
Ladd T. Johnson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240315792Abstract: A medical instrument includes cable pairs respectively wound around input spindles and connected to actuate degrees of freedom of an instrument shaft structure. The cables may connect so that rotating the input spindles actuates corresponding degrees of freedom. First pulleys in the instrument may receive first cables from the input spindles and redirect the first cables toward the instrument shaft, and second pulleys may receive second cables from the input spindles and redirect the second cables toward the instrument shaft. In one configuration, the first and second pulleys are respectively mounted at first and second levels, and the second pulleys redirect the second cables through the first level. Additionally or alternatively, one level of cables may cross while the other level of cables does not.Type: ApplicationFiled: February 29, 2024Publication date: September 26, 2024Applicant: Intuitive Surgical Operations, Inc.Inventors: Bram Gilbert Antoon LAMBRECHT, S. Christopher ANDERSON, Ladd T. JOHNSON
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Patent number: 11950873Abstract: A medical instrument includes cable pairs respectively wound around input spindles and connected to actuate degrees of freedom of an instrument shaft structure. The cables may connect so that rotating the input spindles actuates corresponding degrees of freedom. First pulleys in the instrument may receive first cables from the input spindles and redirect the first cables toward the instrument shaft, and second pulleys may receive second cables from the input spindles and redirect the second cables toward the instrument shaft. In one configuration, the first and second pulleys are respectively mounted at first and second levels, and the second pulleys redirect the second cables through the first level. Additionally or alternatively, one level of cables may cross while the other level of cables does not.Type: GrantFiled: November 18, 2021Date of Patent: April 9, 2024Assignee: Intuitive Surgical Operations, Inc.Inventors: Bram Gilbert Antoon Lambrecht, S. Christopher Anderson, Ladd T. Johnson
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Publication number: 20220071727Abstract: A medical instrument includes cable pairs respectively wound around input spindles and connected to actuate degrees of freedom of an instrument shaft structure. The cables may connect so that rotating the input spindles actuates corresponding degrees of freedom. First pulleys in the instrument may receive first cables from the input spindles and redirect the first cables toward the instrument shaft, and second pulleys may receive second cables from the input spindles and redirect the second cables toward the instrument shaft. In one configuration, the first and second pulleys are respectively mounted at first and second levels, and the second pulleys redirect the second cables through the first level. Additionally or alternatively, one level of cables may cross while the other level of cables does not.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Applicant: Intuitive Surgical Operations, IncInventors: Bram Gilbert Antoon LAMBRECHT, S. Christopher ANDERSON, Ladd T. JOHNSON
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Patent number: 11207145Abstract: A medical instrument includes cable pairs respectively wound around input spindles and connected to actuate degrees of freedom of an instrument shaft structure. The cables may connect so that rotating the input spindles actuates corresponding degrees of freedom. First pulleys in the instrument may receive first cables from the input spindles and redirect the first cables toward the instrument shaft, and second pulleys may receive second cables from the input spindles and redirect the second cables toward the instrument shaft. In one configuration, the first and second pulleys are respectively mounted at first and second levels, and the second pulleys redirect the second cables through the first level. Additionally or alternatively, one level of cables may cross while the other level of cables does not.Type: GrantFiled: June 22, 2017Date of Patent: December 28, 2021Assignee: Intuitive Surgical Operations, Inc.Inventors: Bram Gilbert Antoon Lambrecht, S. Christopher Anderson, Ladd T. Johnson
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Publication number: 20190307522Abstract: A medical instrument includes cable pairs respectively wound around input spindles and connected to actuate degrees of freedom of an instrument shaft structure. The cables may connect so that rotating the input spindles actuates corresponding degrees of freedom. First pulleys in the instrument may receive first cables from the input spindles and redirect the first cables toward the instrument shaft, and second pulleys may receive second cables from the input spindles and redirect the second cables toward the instrument shaft. In one configuration, the first and second pulleys are respectively mounted at first and second levels, and the second pulleys redirect the second cables through the first level. Additionally or alternatively, one level of cables may cross while the other level of cables does not.Type: ApplicationFiled: June 22, 2017Publication date: October 10, 2019Applicant: Intuitive Surgical Operations, Inc.Inventors: Bram Gilbert Antoon LAMBRECHT, Christopher S. ANDERSON, Ladd T. JOHNSON
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Patent number: 7453260Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: GrantFiled: July 24, 2006Date of Patent: November 18, 2008Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Patent number: 7259548Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: GrantFiled: January 7, 2005Date of Patent: August 21, 2007Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Patent number: 7180284Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: GrantFiled: October 4, 2005Date of Patent: February 20, 2007Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Patent number: 7098649Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: GrantFiled: June 17, 2004Date of Patent: August 29, 2006Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Patent number: 7002337Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: GrantFiled: July 27, 2004Date of Patent: February 21, 2006Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Patent number: 6861859Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contracts, and the substrate is removed from the test chuck.Type: GrantFiled: October 22, 2001Date of Patent: March 1, 2005Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Publication number: 20040263153Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: ApplicationFiled: July 27, 2004Publication date: December 30, 2004Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Publication number: 20040232928Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: ApplicationFiled: June 17, 2004Publication date: November 25, 2004Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Patent number: 6781394Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: GrantFiled: October 22, 2001Date of Patent: August 24, 2004Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom
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Patent number: 6771060Abstract: The invention provides a method of testing a circuit on a substrate. Generally speaking, a substrate is located in a transfer chuck, a surface of a test chuck is moved into contact with a substrate, the substrate is secured to the test chuck, the test chuck is moved relative to the transfer chuck so that the substrate moves off the transfer chuck, terminals on the substrate are moved into contact with contacts to electrically connect the circuit through the terminals and the contacts to an electric tester, signals are relayed through the terminal and the contacts between the electric tester and the circuit, the terminals are disengaged from the contacts, and the substrate is removed from the test chuck.Type: GrantFiled: October 22, 2001Date of Patent: August 3, 2004Assignee: Electroglas, Inc.Inventors: Timothy J. Boyle, Wayne E. Richter, Ladd T. Johnson, Lawrence A. Tom