1
Hobart R Everett Jr, Gary A Gilbreath, Rebecca S Inderieden, Theresa T Tran, John M Holland: Optically based position location system for an autonomous guided vehicle. The United States of America represented by the Secretary of the Navy, Harvey Fendelman, Peter A Lipovsky, Michael A Kagan, September 22, 1998: US05812267 (155 worldwide citation)

An optically based position location system, comprises multiple reflectors ositioned at known locations in an environment; a vehicle for traveling along a path in the environment; a first sensor for generating and detecting a collimated and polarized first light signal reflected from one of the refl ...


2
David R Porter, James H Bowen, John M Holland: Synchronous, asynchronous, data rate transparent fiber optic communications link. ITT Electro Optical Products a division of ITT Corporation, Robert A Walsh, Mary C Werner, December 15, 1987: US04713841 (83 worldwide citation)

An optical fiber communications link which by means of pulse-width-modulation (PWM) encoding supports either synchronous or asynchronous data transmission and operation over a wide range of data rates. The link utilizes a PWM encoder which accepts either synchronous (clock plus data) or asynchronous ...


3
David R Porter, James H Bowen, John M Holland: Synchronous, asynchronous, and data rate transparent fiber optic communications link. ITT Electro Optical Products a Division of ITT Corporation, Robert A Walsh, Mary C Werner, September 15, 1987: US04694504 (71 worldwide citation)

An optical fiber communications link which by means of pulse-width-modulation (PWM) encoding supports either synchronous or asynchronous data transmission and operation over a wide range of data rates. The link utilizes a PWM encoder which accepts either synchronous (clock plus data) or asynchronous ...


4
John M Holland: Apparatus for stabilizing a laser. International Telephone and Telegraph Corporation, John T O Halloran, Peter C Van Der Sluys, December 2, 1980: US04237427 (43 worldwide citation)

A laser stabilizing apparatus employs two feedback control loops. One control loop serves to monitor the light intensity output of the laser and provides an error output signal which is compared with a reference signal to develop a control signal that is integrated and used to control the output lev ...


5
John M Holland: Concentric shaft mobile base for robots and the like. Cybermation, Alfred A Fressola, Melvin I Stoltz, Robert H Ware, April 14, 1987: US04657104 (42 worldwide citation)

A concentric shaft mobile base for robots and the like is disclosed incorporating three wheels which can be simultaneously driven and steered so as to allow the mobile base to change direction without rotation of the mobile base. Concentric shafts transfer power from drive sources to the wheel assem ...


6
John M Holland, Kenneth F Kennedy: Parallel lifting device. Cybermation, Ware Fressola Van der Sluys & Adolphson, September 10, 1991: US05046914 (32 worldwide citation)

A lifting device incorporating first and second arm assemblies with associated rotatable shafts and a platform rotationally connected to the second arm assembly so as to maintain a fixed relationship to a reference surface as the first and second arm assemblies are angularly moved from one position ...


7
John M Holland: Radio central station alarm system. American District Telegraph Company, Charles B Smith, Robert R Jackson, April 26, 1977: US04020477 (23 worldwide citation)

A radio central station alarm system including a central station and a plurality of remote stations for transmitting alarm signals to the central station by means of radio signals. Alarm signals are transmitted repeatedly in a sequence which reduces the probability that signals transmitted by one re ...


8
John M Holland: Mobile base for robots and the like. Cybermation, Robert H Ware, Melvin I Stoltz, Alfred A Fressola, March 4, 1986: US04573548 (20 worldwide citation)

A mobile base for robots or other devices requiring a transport mechanism is disclosed incorporating a plurality of wheels which are simultaneously driven and steered by separate drive sources so as to allow the mobile base to change direction without rotation of the mobile base. In an additional em ...


9
John M Holland: Fiber optic receiver having a method and an apparatus for data clock extraction. Chevron Research Company, S R LaPaglia, E J Keeling, July 7, 1987: US04679252 (16 worldwide citation)

A fiber optic receiver having a data clock extractor which fully rectifies an AMI-encoded data stream, detects the negative going peaks between bit cells which are indicative of transitions in the data stream, and uses these peaks to retime the decoded data stream.


10
John M Holland: Multichannel fiber optic control system. International Telephone and Telegraph Corporation, John T O Halloran, Peter C Van Der Sluys, October 7, 1980: US04227075 (13 worldwide citation)

A control system for the simultaneous and independent transmission of a plurality of command signals includes a transmitting device and a receiving device interconnected by an optical waveguide. The transmitter simultaneously receives a plurality of command signals at parallel inputs and converts th ...