Inventor · disambiguated record
Horacio Castro
Also filed as: CASTRO HORACIO
8 granted patents·150 citations·filing 1980–1986
88Inventor score
Technology areasH04M
Top patents by PatentIndex Score
8 records- 0183US4369339AMethod for completing the connection between a telephone exchange and the phone subscriber's line in response to the reception, at the exchange, of a pre-established codeCASTRO MARCELO·Filed 1980·Granted Jan 18, 1983·47 cites·10 claims
- 0275US4625079AMethod and apparatus for activating through phone telecommand an announcer-recorder, and for selectively activating through the sending of codes consisting of signals at least another automatic call attention phone deviceCASTRO HORACIO·Filed 1983·Granted Nov 25, 1986·27 cites·10 claims
- 0375US4387272AMethod and apparatus for controlling a subscriber phone system including at least one automatic phone-answering machineCASTRO MARCELO·Filed 1981·Granted Jun 7, 1983·27 cites·6 claims
- 0468US4383138AMethod and apparatus for processing coded information received through a telephone line during the inter-ringing periodsCASTRO MARCELO·Filed 1980·Granted May 10, 1983·16 cites·45 claims
- 0557US4453041AMethod and apparatus for processing coded information received through a telephone line during the non-active intervals of a ringing periodCASTRO MARCELO·Filed 1980·Granted Jun 5, 1984·10 cites·45 claims
- 0650US4549045AMethod to operate through a telephone line one automatic phone answering equipment specified among a plurality, and apparatus to carry it outCASTRO MARCELO·Filed 1982·Granted Oct 22, 1985·9 cites·26 claims
- 0745US4771450AMethod and apparatus for converting rotary signals to audiofrequency signalsCASTRO HORACIO·Filed 1986·Granted Sep 13, 1988·10 cites·16 claims
- 0834US4618742AMethod and apparatus for decoding audiofrequency information sent through rotary dialingCASTRO HORACIO·Filed 1983·Granted Oct 21, 1986·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →