Patent EP0294233A2 successfully refreshed from Google Patents.
EP0294233A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Cordless telephone apparatus and a method of controlling same
Assignee: Toshiba Corp
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Filing: 1988-06-03
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Granted: —
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Expires: 2008-06-03
Abstract
Abstract A base unit (3) delivers a ringing signal to a transferring radio telephone set (1) in telephone communication with an outside line and a receiving radio telephone set (2) in accordance with a request for transfer by the transferring radio telephone set (1). If the receiving radio telephone set (2) responds to the ringing signal and goes off-hook, the transfer operation to the receiving radio telephone set (2) ends. If the receiving radio telephone set (2) does not go off-hook, the transferring radio telephone set (1) responds to the ringing signal and goes off-hook to thereby retransfer the incoming call to the transferring radio telephone set (1).
Inventors
- 👤 Yoshitoshi Murata
- 👤 Yuji Ohta
- 👤 Akio Yotsutani
- 👤 Toshihiro Hara
- 👤 Koji No. 605 Hachioji-Hazama-Jutaku Ono
- 👤 Shoji Fuse
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 06:19
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/72; H04M1/725; H04M1/72502; H04M1/72505; H04M1/72513
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
261 words
A cordless telephone apparatus including a base unit connected to a subscriber line, a plurality of radio telephone sets connectable via a radio circuit with the base unit, and means for forming an outside line communication channel for any particular one of the telephone sets via the subsriber line by establishing a radio circuit between the base unit and the particular one of the radio telephone set, characterized in that there are provided: means for holding a telephone communication via the subscriber line in accordance with a request for hold from a transferring radio telephone set in telephone communication via the outside line and for generating a request for transfer to a receiving radio telephone set from the transferring telephone set to the base unit; means responsive to the request of transfer for establishing a radio circuit among the base unit set, and the transferring and receiving telephone sets and for delivering a ringing signal from the base unit to the receiving and transferring telephone sets; and means for releasing the hold of the telephone communication via the outside line, stopping the generation of the ringing signal, and forming an outside line communication channel via the subscriber line to the receiving telephone set when the receiving telephone set responds to the ringing signal, the releasing means releasing the hold of the telephone communication via the outside line, stopping the generation of the ringing signal and again forming the outside line communication channel via the subscriber line to the transferring telephone set when the transferring telephone set responds to the ringing signal.
Claim 2
Dependent Claim
261 words
A cordless telephone apparatus including a base unit connected to a subscriber line, a plurality of radio telephone sets connectable via a radio circuit with the base unit, and means for forming an outside line communication channel for any particular one of the telephone sets via the subsriber line by establishing a radio circuit between the base unit and the particular one of the radio telephone set, characterized in that there are provided: means for holding a telephone communication via the subscriber line in accordance with a request for hold from a transferring radio telephone set in telephone communication via the outside line and for generating a request for transfer to a receiving radio telephone set from the transferring telephone set to the base unit; means responsive to the request of transfer for establishing a radio circuit among the base unit set, and the transferring and receiving telephone sets and for delivering a ringing signal from the base unit to the receiving and transferring telephone sets; and means for releasing the hold of the telephone communication via the outside line, stopping the generation of the ringing signal, and forming an outside line communication channel via the subscriber line to the receiving telephone set when the receiving telephone set responds to the ringing signal, the releasing means releasing the hold of the telephone communication via the outside line, stopping the generation of the ringing signal and again forming the outside line communication channel via the subscriber line to the transferring telephone set when the transferring telephone set responds to the ringing signal.
Claim 3
Dependent Claim
46 words
A cordless telephone apparatus according to claim 1, wherein the radio circuit includes a plurality of channels; and the outside line communication channel forming means establishes a radio circuit between the base unit and a radio telephone set by selecting one of the plurality of channels.
Claim 4
Dependent Claim
59 words
A cordless telephone apparatus according to claim 1, wherein the radio circuit includes one control channel and a plurality of communication channels; and the outside line communication channel forming means selects a radio telephone set for communication using the control channel, and connects the radio telephone set for the communication and the base unit through the selected communication channel;
Claim 5
Dependent Claim
42 words
A cordless telephone apparatus according to claim 1, wherein the outside line communication channel forming means forms a communication channel for a particular radio telephone set in response to an incoming call to the particular radio telephone set from the subscriber line.
Claim 6
Dependent Claim
39 words
A cordless telephone apparatus according to claim 1, wherein the outside communication channel forming means forms a communication channel for a radio telephone set which has issued a call, in accordance with the call from that radio telephone set.
Claim 7
Dependent Claim
33 words
A cordless telephone apparatus according to claim 1, wherein the radio telephone sets each includes a hold key; and the transferring radio telephone set generates a request for hold by operating its key.
Claim 8
Dependent Claim
46 words
A cordless telephone apparatus according to claim 1, wherein the radio telephone sets each includes an extension key; and the transferring radio telephone set generates a request for transfer to the receiving radio telephone set by inputting the dial number of the receiving radio telephone set.
Claim 9
Dependent Claim
56 words
A cordless telephone apparatus according to claim 2, wherein the ringing signal delivering means designates the transferring and receiving telephone sets using the control channel, and connects the base unit and the designated transferring and receiving radio telephone sets through the same communication channel and for generating a ringing tone signal through the same communication channel.
Claim 10
Dependent Claim
45 words
A cordless telephone apparatus according to claim 1, wherein the radio telephone sets each includes a ringing tone generating means; and the transferring and receiving telephone sets are responsive to the ringing signal to cause the ringing tone generating means to produce a ringing tone.
Claim 11
Dependent Claim
38 words
A cordless telephone apparatus according to claim 1, wherein the ringing tone generated from the transferring telephone set is set so as to be different in tone color, timing and manner of generation from the receiving telephone set.
Claim 12
Dependent Claim
71 words
A cordless telephone apparatus according to claim 1, wherein the radio telephone sets each include a ringing tone generating means and a display means; the receiving telephone set is responsive to the ringing signal to cause the ringing tone generating means to generate a ringing tone; and the transferring telephone set is responsive to the ringing signal to cause the display means lo display that the incoming call is being transferred.
Claim 13
Independent Claim
224 words
A method of controlling a cordless telephone apparatus including a base unit connected to a subscriber line, a plurality of radio telephone sets connectable to the base unit via a radio circuit, characterized by the steps of: generating a request for holding an outside line through which a transferring radio telephone set of the radio telephone sets of the plurality is in telephone communication via the subscriber line, from the transferring radio telephone set to the base unit by operating the transferring radio telephone set and generating a request for transfer to the transferring radio telephone set from the transferring radio telephone set to the base unit; holding the outside line communication via the subscriber line at the base unit in response to the request for hold and generating a ringing signal from the base unit to the transferring and receiving radio telephone sets in response to the request for transfer; and releasing the hold of the telephone communication via the outside line, and forming an outside line communication channel via the subscriber line to the receiving telephone set when the receiving telephone set responds to the ringing signal; and releasing the hold of the telephone communication via the outside line, and again forming the outside line communication channel to the transferring telephone set when the transferring telephone set responds to the ringing signal.
Claim 14
Independent Claim
224 words
A method of controlling a cordless telephone apparatus including a base unit connected to a subscriber line, a plurality of radio telephone sets connectable to the base unit via a radio circuit, characterized by the steps of: generating a request for holding an outside line through which a transferring radio telephone set of the radio telephone sets of the plurality is in telephone communication via the subscriber line, from the transferring radio telephone set to the base unit by operating the transferring radio telephone set and generating a request for transfer to the transferring radio telephone set from the transferring radio telephone set to the base unit; holding the outside line communication via the subscriber line at the base unit in response to the request for hold and generating a ringing signal from the base unit to the transferring and receiving radio telephone sets in response to the request for transfer; and releasing the hold of the telephone communication via the outside line, and forming an outside line communication channel via the subscriber line to the receiving telephone set when the receiving telephone set responds to the ringing signal; and releasing the hold of the telephone communication via the outside line, and again forming the outside line communication channel to the transferring telephone set when the transferring telephone set responds to the ringing signal.
Claim 15
Dependent Claim
33 words
A cordless telephone apparatus according to claim 12, wherein the radio telephone sets each includes a hold key; and the transferring radio telephone set generates a request for hold by operating its key.
Claim 16
Dependent Claim
46 words
A cordless telephone apparatus according to claim 12, wherein the radio telephone sets each includes an extension key; and the transferring radio telephone set generates a request for transfer to the receiving radio telephone set by inputting the dial number of the receiving radio telephone set.
Claim 17
Dependent Claim
56 words
A method of controlling a cordless telephone apparatus according to claim 12, wherein the base unit designates a transferring telephone set and a receiving telephone set using a control channel, connects the base unit and the designated transferring and receiving telephone sets through the same communication channel, and generating a ringing signal through the communication channel.
Claim 18
Dependent Claim
29 words
A method of controlling a cordless telephone apparatus according to claim 12, wherein the transferring and receiving telephone sets respond to a ringing signal to generate a ringing tone.
Claim 19
Dependent Claim
42 words
A method of controlling a cordless telephone apparatus according to claim 12, wherein the ringing tone generated from the transferring telephone set is set so as to be different in tone color, timing and manner of generation from the receiving telephone set.
Claim 20
Dependent Claim
75 words
A method of controlling a cordless telephone apparatus according to claim 12, wherein the radio telephone sets each include a ringing tone generating means and a display means; the receiving telephone set is responsive to the ringing signal to cause the ringing tone generating means to generate a ringing tone; and the transferring telephone set is responsive to the ringing signal to cause the display means to display that the incoming call is being transferred.
References Cited (Backward Citations)
No citation records indexed.
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