EP0380315A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
TV phone communication system and apparatus therefor
Assignee: Toshiba Corp
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Filing: 1990-01-24
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Granted: —
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Expires: 2010-01-24
Abstract
Abstract A TV phone communication system is provided in which the communication between two parties can be maintained without interruption when a third party has made a call to one of the two parties. Specifically, one of the two parties can communicate with the third party without causing the other of the two parties to recognize the presence of the third party.
Inventors
- 👤 Hideyuki C/O Intellectual Property Div. Ueno
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 14:14
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/14; H04N7/141; H04N7/147; H04M; H04M3/00; H04M3/42; H04M3/428; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
111 words
A communication system using a plurality of TV phone apparatus, each having a displaying device for displaying images of communication parties and speech communication means for communicating with said parties, said communication system comprising: means for communicating between a first communicating party and a second communicating party by use of said displaying devices and speech communication means; and third party displaying means for displaying an image of a third communicating party on said displaying device in said TV phone apparatus of said second party without interrupting said communication between said first party and said second party when said third party has made a call to said second party during said communication.
Claim 2
Dependent Claim
111 words
A communication system using a plurality of TV phone apparatus, each having a displaying device for displaying images of communication parties and speech communication means for communicating with said parties, said communication system comprising: means for communicating between a first communicating party and a second communicating party by use of said displaying devices and speech communication means; and third party displaying means for displaying an image of a third communicating party on said displaying device in said TV phone apparatus of said second party without interrupting said communication between said first party and said second party when said third party has made a call to said second party during said communication.
Claim 3
Dependent Claim
42 words
The system of claim 1, wherein said third party displaying means includes image switching means for switching the image displayed on said displaying device of said second party from the image of said first party to the image of said third party.
Claim 4
Dependent Claim
33 words
The system of claim 1, wherein said third party displaying means includes means for incorporating the image of said third party into the image of said first party displayed on said displaying device.
Claim 5
Dependent Claim
27 words
The system of claim 1, 2 or 3, further comprising means for displaying the image of said second party on the displaying device of said first party.
Claim 6
Dependent Claim
24 words
The system of claim 2, further comprising means for displaying the image of said second party on the displaying device of said first party.
Claim 7
Dependent Claim
24 words
The system of claim 3, further comprising means for displaying the image of said second party on the displaying device of said first party.
Claim 8
Dependent Claim
59 words
A TV phone apparatus, comprising: displaying means for displaying communicating parties; speech communication means for communicating between said parties in speech; third party call detecting means for detecting a call from a third party during the communication between said parties; and switching means for displaying said third party on said displaying means while maintaining the communication between said parties.
Claim 9
Dependent Claim
59 words
A TV phone apparatus, comprising: displaying means for displaying communicating parties; speech communication means for communicating between said parties in speech; third party call detecting means for detecting a call from a third party during the communication between said parties; and switching means for displaying said third party on said displaying means while maintaining the communication between said parties.
Claim 10
Dependent Claim
18 words
The apparatus of claim 7, wherein said third party call detecting means includes third party call displaying means.
Claim 11
Dependent Claim
16 words
The apparatus of claim 8, wherein said third party call displaying means includes optical display means.
Claim 12
Dependent Claim
17 words
The apparatus of claim 8, wherein said third party call displaying means includes sound signal generating means.
References Cited (Backward Citations)
No citation records indexed.
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