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| Number | Title | Issue Date |
| 6917678 | Method and apparatus for monitoring telephonic members and providing directory assistance Telephone users desiring directory assistance services are connected via standard telephone procedures to a directory assistance provider, such as an operator. An operator provides the destination number and initiates a connection to that number. Once that connectio... | 07/12/2005 |
| 6608887 | Voice messaging system with ability to prevent hung calls A method and system for preventing hung calls on a channel of a network interface device of a voice messaging system is described. A channel of the network interface device receives a new incoming call from the telephone network. If no other call is in pr... | 08/19/2003 |
| 6334053 | Procedure and system for providing an answering service Procedure for providing an answering service in a telecommunications network (1), which comprises a first short-message service center (2); a telephone network (3) using digital signalling and connected to the mobile communication network and a number of ... | 12/25/2001 |
| 5867560 | Remote hang-up detector A communications detector for detecting remote user hang-up or disconnection by a telephone answering machine (TAM). The remote hang-up detector (RHUD) may operate in conjunction with a modem and does not affect transmission and receipt of modem signals a... | 02/02/1999 |
| 5642406 | Tone recognition method using tone learning operation in an automatic answering system The present invention provides an automatic answering system that, upon being provided with operating power, uses a tone pattern learning operation to identify an applicable busy tone pattern. After the applicable busy tone pattern is identified, when a c... | 06/24/1997 |
| 5442685 | Automatic telephone answering apparatus including conversion recording mode An automatic telephone answering apparatus sends an out-going message recorded in a memory through a telephone line and records in-coming messages in another in-coming message memory. In addition, the apparatus records a conversation between an operator a... | 08/15/1995 |
| 5398278 | Digital musicians telephone interface A telephone interface system to interconnect the output of two or more musicians, one at an instant location and the other at a remote location, over communication lines such system converting the analog musical output to digital form for duplexing over t... | 03/14/1995 |
| 5259022 | Detector for use with an automatic disconnect feature in a telephone answering machine In a telephone answering machine, a detector for a automatic disconnect function uses a first amplifier to detect, amplify, and invert small input signal changes, and second amplifier to detect large input signal changes and a logic arrangement responsive... | 11/02/1993 |
| 4932046 | Telephone programming system for automated calling A system automates interface intervals with remote telephone terminals as to provide information or advice in response to select tone signals formed at a telephone terminal, and at the conclusion of an interval provides a disconnect or termination signal ... | 06/05/1990 |
| 4829557 | Telephone answering device having outgoing message pause timer function In an automatic telephone answering and recording device which detects a pause between words during recording the outgoing message tape to identify the end of the outgoing message and switch the incoming message tape T-2 to record an incoming message, if ... | 05/09/1989 |
| 4734929 | Telephone answering machines for collect call An automatic telephone answering device includes a generator for a voice synthesized acceptance message for collect calls. The acceptance message is generated in one of several modes of operation of the answering device, selected by a user. Preferably, th... | 03/29/1988 |
| 4623758 | Hybrid system for recording voice and data signals Recording apparatus which may be in the form of a telephone answering machine which responds to ring signals received over a telephone line to answer a call and proceed through its normal answer sequence. A modem is connected to the apparatus, and if at a... | 11/18/1986 |
| 4525603 | Ring and line monitor for answering machine A circuit and system is provided in a telephone answering system and which responds to direct current voltage differentials on the telephone line, independent of the actual direct current voltage level, to cause the telephone answering system to return im... | 06/25/1985 |
| 4525600 | Automatic telephone answering device An automatic telephone answering device is proposed wherein a specific signal such as a speed calling or paging signal which is prestored in an outgoing message tape and which follows a short outgoing message is reproduced to allow an unidentified third p... | 06/25/1985 |
| 4314103 | Telephone answering system with simulated dial tone disconnect protection An automatic telephone answering system wherein disconnection from the telephone line following calling party hang up is in response to the detection of dial tone, utilizes a signal detector responsive to voice and steady tone signals for providing an ind... | 02/02/1982 |
| 4309571 | Telephone-adapter apparatus for a dictation unit Apparatus is provided for operating a dictation unit as a telephone-answering device. The dictation unit has a movable record medium upon which an announce message is recorded at a predetermined portion. Switching circuitry is selectively operable to cond... | 01/05/1982 |
| 4122306 | Telephone answering apparatus providing selective message communication A telephone answering system which can be interconnected to a telephone line and includes two tapes, one of which is utilized for recording incoming messages from the telephone line, and the other of which is used basically for playing outgoing messages o... | 10/24/1978 |
| 4079200 | Apparatus for recording replies to pre-recorded messages Magnetic recording/playback apparatus for playing back pre-recorded messages and for recording replies to such messages, finding particular application as an unattended telephone message recording device. Successive ones of the pre-recorded messages are s... | 03/14/1978 |
| 4011411 | Automatic telephone answering and recording device In an automatic telephone answering and recording device associated with a telephone set connected to a remote calling party through a telephone line wherein the message transmitted from the calling party is recorded, there is provided a sound recording t... | 03/08/1977 |
| 3943290 | Semi-automatic telephone-answering system A semi-automatic telephone-answering system which connects a voice message to an incoming telephone line upon being activated. The incoming telephone line is connected to the system by an operator switchboard jack or key connector on a multiline telephone... | 03/09/1976 |
| 3943291 | Automatic telephone answering apparatus A remote-controlled automatic telephone answering apparatus of the type wherein the owner of the apparatus applies a control signal from a remote telephone substation in order to have recorded messages played back to him over the telephone line. If the ow... | 03/09/1976 |
| 3941934 | Telephone answering system A telephone answering system of the voice actuated type is provided which transmits an announcement to the calling party during an announcement interval (T1) and then records a message from the calling party during a subsequent message interval... | 03/02/1976 |
| 3937893 | Automatic telephone answering device The invention concerns a device for automatically answering telephone calls, comprising an answering system, with a first magnetic sound recorder for recording and reproducing an answering text and a mechanical driving gear for the first magnetic sound re... | 02/10/1976 |
| 3935390 | Telephone answering and message recording apparatus Telephone answering and message recording apparatus is disclosed which includes an outgoing message delivery system for delivering several messages to each caller, the messages to each caller being separated in time by intervening incoming message recordi... | 01/27/1976 |
