Assignee
INVENTA ELECTRONICS
TW·8 granted patents·83 citations·filing 1985–1991
Top patents by PatentIndex Score
8 records- 0171US5216709AElectronic device for providing information related to an input telephone numberINVENTA ELECTRONICS·Filed 1991·Granted Jun 1, 1993·37 cites·3 claims
- 0247US4644106AApparatus for timely controlling the sound characteristic of a signaling means of a voice communication deviceINVENTA ELECTRONICS·Filed 1985·Granted Feb 17, 1987·13 cites·10 claims
- 0343US4881260AAutomatic telephone answering device with multiple outgoing messages and selecting meansINVENTA ELECTRONICS·Filed 1987·Granted Nov 14, 1989·8 cites·9 claims
- 0443US4794640ASwitching control apparatus for intercom-telephone setsINVENTA ELECTRONICS·Filed 1987·Granted Dec 27, 1988·10 cites·1 claims
- 0540US4802208AHot-line device for telephone setsINVENTA ELECTRONICS·Filed 1987·Granted Jan 31, 1989·8 cites·7 claims
- 0633US4847895AControllable annunciator using ring signalINVENTA ELECTRONICS·Filed 1987·Granted Jul 11, 1989·3 cites·5 claims
- 0731US4856056AApparatus for timely controlling the sound characteristic of a signaling means of a voice communication deviceINVENTA ELECTRONICS·Filed 1987·Granted Aug 8, 1989·4 cites·4 claims
- 0828US4835625AMethod of recording timing data generated by a central processing unit onto a tape for digital displayINVENTA ELECTRONICS·Filed 1987·Granted May 30, 1989·0 cites·1 claims
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