Inventors:
John C. Paul - San Jose CA
Assignee:
Information Identification Co., Inc. - Ft. Worth TX
International Classification:
H04Q 132
Abstract:
An improved communication method and apparatus for communicating between a first object and a second object wherein the first object includes apparatus for generating and transmitting a modulation signal having at least a predetermined number "L" pulses within a predetermined time interval and less than a predetermined number "M" pulses within the same predetermined time interval, and wherein the second object includes apparatus for receiving and detecting the modulation signal and providing an output signal in response to detecting at least the predetermined number "L" a pulses and less than the predetermined number "M" pulses. This
CROSS-REFERENCE TO RELATED APPLICATIONS
this application is a division of the Applicant's co-pending application entitled "COMMUNICATION APPARATUS FOR COMMUNICATING BETWEEN A FIRST AND A SECOND OBJECT," Ser. No. 462,247, filed Apr. 19, 1974 and now U. S. Pat. No.