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US 4,903,289 AGranted
Telephone equipment with multiple function
AssigneeHashimoto Corporation
InventorKazuo Hashimoto
Life of this patent
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AssigneeHashimoto Corporation
InventorKazuo Hashimoto
Estimating the term…
Conventional telephone answering devices incorporated in or combined with a telephone set are now generally used. However, one type of conventional telephone set has a plurality of buttons, for instance, speed dialing, mute, flash or redial buttons, and further the telephone answering device incorporated in the telephone set has also many buttons for controlling the device. The user therefore is confused at the sight of a number of buttons and hesitates to use the device. Most conventional telephone answering devices can be remotely operated from a remote location by using the number keys, and asterisk and pound sign keys of a pushbutton telephone so as to rewind, fast forward, or record an outgoing or incoming message. The present invention makes common use of the pushbuttons for the telephone set and the telephone answering device, and also the telephone answering device can be manually operated at home in the same way as in remote control operation by using the same kinds of push phone buttons of an outside telephone set. The present invention also makes it possible to record a two-way conversation manually by use of some of the buttons during off-hook mode of telephone set.
Telephone equipment with multiple functions capable of operating off-hook dialing following picking up of a handset of a phone and on-hook dialing by turning on a special off-hook switch of the phone, using a DTMF (dual-tone multifrequency) tone, and incorporating an additional device that can be controlled (1) by remote control by signals from an external source over an outside telephone line by pushing DTMF tone buttons of the external source, and (2) manually and independently of the outside telephone line by pushing DTMF tone buttons of said equipment of the same numeral or sign as those for remote control operation of the additional device over the outside telephone line, said equipment including circuitry for automatically making the additional device independent of the outside telephone line during an off-hook dialing operation of said telephone equipment for placing an outgoing call, and thereafter during the time a talking circuit on the telephone line is established by the outgoing call, enabling said additional device to be controlled either by a calling party by a remote control operation or by a called party.
Telephone equipment with multiple functions capable of operating off-hook dialing following picking up of a handset of a phone and on-hook dialing by turning on a special off-hook switch of the phone, using a DTMF (dual-tone multifrequency) tone, and incorporating an additional device that can be controlled (1) by remote control by signals from an external source over an outside telephone line by pushing DTMF tone buttons of the external source, and (2) manually and independently of the outside telephone line by pushing DTMF tone buttons of said equipment of the same numeral or sign as those for remote control operation of the additional device over the outside telephone line, said equipment including circuitry for automatically making the additional device independent of the outside telephone line during an off-hook dialing operation of said telephone equipment for placing an outgoing call, and thereafter during the time a talking circuit on the telephone lines is established by the outgoing call, enabling said additional device to be controlled either by a calling party by a remote control operation or by a called party,
Dependencies are inferred from the claim text.