Patents by Inventor Christopher P. Wieck
Christopher P. Wieck 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: 20110078749Abstract: A WiFi chipset is integrated into a TV chassis as are wireless audio-video signal antennas that feed the chipset and that are embedded in the display bezel. The TV processor causes signals from home network components received through the antennas and chipset to be displayed on the TV.Type: ApplicationFiled: September 29, 2009Publication date: March 31, 2011Inventor: Christopher P. Wieck
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Patent number: 7248653Abstract: A radio frequency receiver includes an amplifier and a detector that produces a bias control signal based on a signal environment. A bias level of the amplifier is set according to the bias control signal. Bias levels other receiver circuits may have similarly adjusted bias levels, including buffers, IF oscillators, mixers, and converters. The invention can be used to increase range of linearity, intermodulation immunity and reduce power consumption by reducing the bias level under typical conditions and relying on the bias control to increase bias levels under adverse signal conditions. The invention has advantages where power is at a premium, particularly when a device is in standby mode, including mobile, portable and hand held pagers and wireless telephones and Internet connections. If standby mode operation in non-maximum signal environments dominates the usage of the receiver, then the invention can substantially increase battery life.Type: GrantFiled: April 7, 2003Date of Patent: July 24, 2007Assignees: Sony Corporation, Sony Electronics Inc.Inventor: Christopher P. Wieck
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Patent number: 7079825Abstract: A radio frequency receiver includes an amplifier and a detector that produces a bias control signal indicating the level of the signal environment in which the receiver is currently operating. A bias generator sets the bias level of the amplifier according to the bias control signal, where the bias level tends to increase as the signal level increases. Further, the receiver, includes a first circuit adapted to receive a radio frequency input signal, the circuit having an adjustable bias level, a bias control having more than one level of control for generating a bias control signal based upon a base-band signal for controlling the first circuit and generating an output signal; and an alternative bypass switch across the first circuit so as to send a DC signal corresponding to the total power generated by said feedback means.Type: GrantFiled: November 21, 2003Date of Patent: July 18, 2006Assignees: Sony Corporation, Sony Electronics Inc.Inventor: Christopher P. Wieck
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Patent number: 6782062Abstract: A radio frequency receiver includes an amplifier and a detector that produces a bias control signal based on a signal environment. A bias level of the amplifier is set according to the bias control signal. Bias levels of other receiver circuits may have similarly adjusted bias levels, including buffers, IF oscillators, mixers, and converters. The invention can be used to increase range of linearity, intermodulation immunity and reduce power consumption by reducing the bias level under typical conditions and relying on the bias control to increase bias levels under adverse signal conditions. The invention has advantages where power is at a premium, particularly when a device is in standby mode, including mobile, portable and hand held pagers and wireless telephones and Internet connections. If standby mode operation in non-maximum signal environments dominates the usage of the receiver, then the invention can substantially increase battery life.Type: GrantFiled: March 29, 2000Date of Patent: August 24, 2004Assignees: Sony Corporation, Sony Electronics Inc.Inventor: Christopher P. Wieck
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Publication number: 20040105511Abstract: The present embodiments provide apparatuses and methods for use in receiving radio frequency signals. In some embodiments, a method receives an input signal comprising data and jamming signals, amplifies the input signal according to a first adjustable bias level and producing a first internal signal. The first internal signal is mixed with an intermediate frequency signal to produce a second internal signal. The method detects a level of a signal that is proportional to a level of the input signal prior to baseband limiting filtering and as such is proportional to a level of the data and jamming signals. A bias control signal is generated that is dependent on the detected level of the detected signal, and the first bias level is adjusted according to the bias control signal. The bias control signal can increase as the level of the detected signal increases and can compensate for the jamming signals.Type: ApplicationFiled: November 21, 2003Publication date: June 3, 2004Applicants: Sony Corporation, Sony Electronics Inc.Inventor: Christopher P. Wieck
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Publication number: 20040077324Abstract: A radio frequency receiver includes an amplifier and a detector that produces a bias control signal indicating the level of the signal environment in which the receiver is currently operating. A bias generator sets the bias level of the amplifier according to the bias control signal, where the bias level tends to increase as the signal level increases. Further, the receiver, includes a first circuit adapted to receive a radio frequency input signal, the circuit having an adjustable bias level, a bias control having more than one level of control for generating a bias control signal based upon a base-band signal for controlling the first circuit and generating an output signal; and an alternative bypass switch across the first circuit so as to send a DC signal corresponding to the total power generated by said feedback means.Type: ApplicationFiled: November 21, 2003Publication date: April 22, 2004Applicants: Sony Corporation, Sony Electronics Inc.Inventor: Christopher P. Wieck
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Patent number: 6687491Abstract: A radio frequency receiver includes an amplifier and a detector that produces a bias control signal indicating the level of the signal environment in which the receiver is currently operating. A bias generator sets the bias level of the amplifier according to the bias control signal, where the bias level tends to increase as the signal level increases. Further, the receiver, includes a first circuit adapted to receive a radio frequency input signal, the circuit having an adjustable bias level, a bias control having more than one level of control for generating a bias control signal based upon a base-band signal for controlling the first circuit and generating an output signal; and an alternative bypass switch across the first circuit so as to send a DC signal corresponding to the total power generated by said feedback means.Type: GrantFiled: January 18, 2002Date of Patent: February 3, 2004Assignees: Sony Corporation, Sony Electronics Inc.Inventor: Christopher P. Wieck
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Publication number: 20030139161Abstract: A radio frequency receiver includes an amplifier and a detector that produces a bias control signal indicating the level of the signal environment in which the receiver is currently operating. A bias generator sets the bias level of the amplifier according to the bias control signal, where the bias level tends to increase as the signal level increases. Further, the receiver, includes a first circuit adapted to receive a radio frequency input signal, the circuit having an adjustable bias level, a bias control having more than one level of control for generating a bias control signal based upon a base-band signal for controlling the first circuit and generating an output signal; and an alternative bypass switch across the first circuit so as to send a DC signal corresponding to the total power generated by said feedback means.Type: ApplicationFiled: January 18, 2002Publication date: July 24, 2003Applicant: Sony CorporationInventor: Christopher P. Wieck
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Patent number: 6046574Abstract: A mobile electronic device can operate in multiple modes, each at a respective current load. Monitoring a battery in such a mobile device includes acquiring a sensed battery voltage during a particular operating mode and converting the sensed battery voltage to a scaled voltage for a known battery discharge curve having a well-defined turn-off voltage. The known battery discharge curve is preferably one for a full current load. The scaled voltage is then compared with the well-defined turn-off voltage to determine the amount of energy remaining in the battery. Operating times for other operating modes can also be calculated and displayed for the user's information.Type: GrantFiled: June 4, 1999Date of Patent: April 4, 2000Assignees: Sony Corporation, Sony Electronics Inc.Inventors: Robert Baranowski, Christopher P. Wieck
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Patent number: 6011967Abstract: Cellular telephone which operates as an alarm in an alarm mode. After or prior to being manually or automatically set in the alarm mode, the cellular telephone receives a sensor signal which identifies the occurrence or non-occurrence of a predetermined event. Upon receiving a signal that indicates the occurrence of a predetermined, usually undesirable, event, the cellular telephone automatically establishes a channel of communication with a pre-programmed telephone number, transmits to the called number identification data that identifies the cellular telephone, and then establishes the cellular telephone in a particular alarm operating mode, for example, a two-way audio mode.Type: GrantFiled: May 21, 1997Date of Patent: January 4, 2000Assignees: Sony Corporation, Sony Electronics, Inc.Inventor: Christopher P. Wieck