H - Electricity – 04 – M
Patent
H - Electricity
04
M
354/236, 379/27,
H04M 1/26 (2006.01) G04G 21/00 (2010.01) G06K 7/00 (2006.01) H04M 1/215 (2006.01) H04M 1/275 (2006.01)
Patent
CA 1078968
Abstract of the Disclosure - A system for bidirectionally receiving and trans- mitting alpha-numeric digital data via matching light emitting diodes and photocells. More particularly, a portable random access memory unit incorporated in a device such as a wrist- watch which is adapted to be programmed by moans of a relatively stationary programming device e.g. a telephone handset, when placed in close proximity thereto establishes at least one com- munication channel whereby digital data which may be, for ex- ample, a plurality of telephone numbers and other selected data are loaded into the portable memory device. Thereafter, the portable memory device is placed in close proximity with a rela- tively static receiver device e.g. a telephone handset whereupon at least one communication channel is established therewith and data is read out of the portable memory device to the receiver for translating said selective data eternally for remote utili- sation such as automatically dialing a telephone or operating a lock or other control device. Once dialing has been effected selected other data can be fed into the communication channel as well. The communication channel is adapted to carry both digi- tal data and synchronizing clock signals.
279034
Na
Sandstedt Gary O.
LandOfFree
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