1
Cooper Martin, Dronsuth Richard W, Mikulski Albert J, Lynk Jr Charles N, Mikulski James J, Mitchell John F, Richardson Roy A, Sangster John H: Radio telephone system. Motorola, Parsons Eugene A, Gillman James W, September 16, 1975: US3906166 (240 worldwide citation)

A portable duplex radio telephone system includes at least one base station transmitter having a predetermined base transmission range, and a plurality of portable or mobile units each having a predetermined portable maximum transmission range predeterminately shorter than the base transmission rang ...


2
Feder Alvin: Silent call pager. Motorola, Parsons Eugene A, Rauner Vince, October 7, 1975: US3911416 (180 worldwide citation)

A pager that produces a vibratory alerting signal when a paging signal is received. Vibrating motion is created by a motor, internal to the pager, rotating a weight. The rotating weight initially presents a small torque load to the motor, but subsequently a large vibrating motion is created because ...


3
Jasinski Leon: Rapid battery charging system and method. Motorola, Parsons Eugene A, Rauner Vincent, December 3, 1974: US3852652 (64 worldwide citation)

A thermistor is internally mounted in a sealed nickel cadmium battery to be charged so as to sense the internal temperature of the battery and is electrically connected in a bridge to provide an electrical indication of the temperature of the battery. The electrical signal from the bridge is differe ...


4
Dame John S: Voltage level shifting circuit. Motorola, Parsons Eugene A, Rauner Vincent J, April 2, 1974: US3801831 (50 worldwide citation)

A voltage level shifting circuit includes a pair of transistors of one conductivity type arranged in a bistable configuration, and a pair of transistors both of another conductivity type each arranged as a switch for operating the bistable circuit. One of the two switches is operative to conduct in ...


5
Opas George F: Antenna pattern generator and switching apparatus. Motorola, Parsons Eugene A, Gillman James W, November 25, 1975: US3922685 (45 worldwide citation)

A variable pattern antenna system including a plurality of radiating elements, a switching circuit for selectively applying signals to various ones of the radiating elements, a phase shifting circuit for shifting the phase of the signals applied to the elements, and a control circuit for operating t ...


6
Nation Melvin Stanley: Battery housing. Motorola, Parsons Eugene A, Rauner Vincent J, May 6, 1975: US3881961 (39 worldwide citation)

A self locking battery housing includes a body portion and a door having a living hinge and contacts mounted near the hinge for making electrical contact between the body portion and the door. Terminals are provided on the body portion for mounting the housing and electrically contacting the battery ...


7
Finger Carl, Pausche John W: Flexible flat cable system. Motorola, Parsons Eugene A, Rauner Vincent, July 23, 1974: US3825878 (34 worldwide citation)

A housing having an elongated slot therein with opposed parallel channels in the upper and lower surfaces adjacent the opening of the slot and parallel spaced apart ridges extending transverse to the longitudinal axis of the channels in the bottom surface of each of the channels. An elongated cylind ...


8
Yactor Richard: Broadband cable communications system. Motorola, Parsons Eugene A, Rauner Vincent J, September 24, 1974: US3838343 (32 worldwide citation)

Continuously operating injection and carrier oscillators attached to a broadband cable with means for data modulating the carrier oscillator and a transmitter/receiver attached to the cable remotely from the carrier oscillator and including means for picking off the carrier frequency and means for p ...


9
Lipinski Richard D, Hagood Raymond E: Mechanical audio coupling device. Motorola, Parsons Eugene A, Rauner Vincent, November 26, 1974: US3851123 (32 worldwide citation)

A connector adapted to be removably coupled to the outlet opening of a horn type speaker in a pocket type portable radio receiver, the connector having a passageway therethrough which tapers from an inlet substantially matching the outlet of the transducer to a smaller outlet opening having a sound ...


10
Braun William V, Bruckert Eugene J, Giacomino Gerald L, Partipilo Phillip: Asynchronous internally clocked sequential digital word detector. Motorola, Parsons Eugene A, Rauner Vincent J, December 17, 1974: US3855576 (29 worldwide citation)

A detector for detecting predetermined digital words within a train of signals wherein the digits in the words each have a predetermined time period. The detector continuously samples the train of signals coupled thereto. Samplings are taken a number of times during the interval of a digit time peri ...