Abstract: A method for fabricating an infrared radiation detector is disclosed. The detector utilizes photosensitive segments which are included within elongate members disposed on surface of a dielectric substrate. The elongate members comprise photosensitive detector segments which are located between and contact non-photosensitive segments and the entirety of each elongate member is electrically conductive. The elongate members are preferably offset from each other by less than the wavelength of the radiation and the photosensitive segments within the strips are also preferably spaced apart by less than the wavelength of the radiation. A reflective plane, typically an aluminum layer, is offset from the plane of the detector segments by less than the wavelength of the radiation. Incident radiation is captured by the overall detector structure which includes the reflective plane and the elongate members which include both photosensitive and non-photosensitive segments.

Abstract: In an optical radar system a coherent signal is transmitted at a variable position and the return signal, that is, the reflected portion of the coherent signal is received and coherently detected. The transmitter utilizes a scanning laser having an electron beam that impinges upon a variable reflectance mirror that terminates one end of an optical cavity. An oscillating mode is generated within the resonant cavity when the electron beam locally heats the surface of the variable reflectance mirror to create a pixel that reflects light in a diffracted pattern. The receiver utilizes a stable single mode laser to illuminate a variable reflectance surface. A receiver electron beam generates a plurality of receiver pixels at various positions. The diffracted light from each pixel generates a plurality of variable angle local oscillator beams that are summed with the return signal at a beamsplitter. The output of the beamsplitter is applied to the surface of a detector array.

Abstract: A Binary Coded Decimal (BCD) incrementing circuit and memory. The incrementing circuit has a small amount of delay associated with it so that it may be utilized as a stage of a shift register memory. The incrementing circuit includes an adder circuit, a sampling circuit and a detector circuit. The sampling circuit samples the most significant bit of a BCD digit when the least significant bit of the same digit is being outputted from the memory. The adder circuit adds one to the least significant bit in response to a control signal or one to the other bits in response to a carry condition in the adder and to a decimal carry signal. The detector circuit is coupled to the output of the memory, to the sampling circuit and to the control signal for generating the decimal carry signal and disabling the adder circuit when the control signal is present and the BCD digit being outputted is a decimal nine.

Abstract: An automatic dial system for a subscriber telephone utilizes a keyboard array to enter coded information into an integrated circuit digit processor. The digit processor includes a programmed ROM for storing an instruction set to control the operation of the dial system, an arithmetic/logic unit for performing arithmetic and logic operations on data according to said instruction set, and a first read/write RAM for storing the data being processed.A pulse generator is selectively connected at the output of the digit processor for the selective transmission of pulse signals over the telephone lines according to the stored instruction set and coded information derived from the keyboard.

Abstract: An error correction system is particularly suitable for user programmable calculators which may be programmed to perform a series of functions on data entries by means of a series of program steps entered into the calculator from a storage media such as recorded magnetic cards or the like. Data is stored in one or more pairs of tracks on the recording media with the first track of each pair for storing binary zeros and a second track of each pair for storing binary ones. Each time a binary zero is present, an alternating transition negative to positive or positive to negative appears on the zero's track of the storage media and each time a one is present an alternating transition negative to positive or positive to negative appears on the one's track of the storage media.

Abstract: An electronic watch module is fabricated by mounting a semiconductor integrated circuit chip on a metal lead frame. Connectors are utilized to connect the circuit to selected lead frame conductors. The semiconductor chip incorporates all of the electronic circuitry necessary to drive a display with decoded timekeeping signals. The lead frame includes selectively positioned conductors for connection of a display, a variable capacitor, oscillator crystal and battery contacts. The lead frame is plastic encapsulated with the plastic being formed to completely seal the integrated circuit and connectors while providing mechanical support cavities for the display, capacitor, crystal and batteries. Openings are also provided in the plastic within the cavities and opposite the cavity formations exposing the selectively positioned conductors so that the display, capacitor and crystal may be electrically connected to the lead frame.

Abstract: A self-encased electronic watch is fabricated by mounting a semiconductor integrated circuit chip on a metal lead frame. Connectors are utilized to connect the circuit to selected lead frame conductors. The semiconductor chip incorporates all of the electronic circuitry necessary to drive a display with decoded timekeeping signals. The lead frame includes selectively positioned conductors for connection of a display, a variable capacitor, oscillator crystal and battery contacts. The lead frame is plastic encapsulated with the plastic being formed to completely seal the integrated circuit and connectors while providing a ridged mechanical support cavity on the front surface for the display annd filter lens and mechanical support cavities on the back surface for the capacitor, crystal and batteries.