Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1974-10-25
1981-09-29
Miller, Charles D.
Communications: electrical
Audible indication
Percussion-type sound producer
178 79, H04L 304
Patent
active
042926246
ABSTRACT:
The binary coded decimal of a number is selectively loaded into presettable counters. A switching means sequentially connects each of the binary levels of each of the digits comprising the number to an International Morse Code memory addressing a selected segment thereof. A binary counter sequentially addresses each of the bit locations of the selected memory segment thereby serially generating, in Internatonal Morse Code, the digit contained in the addressed memory segment. Upon completion of the code translation of a selected digit of the number, the switching means connects the binary levels of the counter containing the next lesser significant digit to the memory address and the binary counter is recycled. Means are included for selectively deleting the generation of leading zeros of the number and for selectively abbreviating the International Morse Code generation of certain digits comprising the number.
REFERENCES:
patent: 2940669 (1960-06-01), Hobbs
patent: 3185825 (1965-05-01), McDonald
patent: 3261913 (1966-07-01), Reichert
patent: 3496294 (1970-02-01), Emanuels
patent: 3496563 (1970-02-01), Staples et al.
patent: 3725906 (1973-04-01), Quick
patent: 3749896 (1973-07-01), Munt
patent: 3772659 (1973-11-01), Vries
patent: 3820107 (1974-06-01), Niizawa
patent: 3824559 (1974-07-01), Grundy
patent: 3892957 (1975-07-01), Bryant
Miller Charles D.
Serp William K.
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