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| Number | Title | Issue Date |
| 7141736 | Apparatus for mounting a telephone or other cordless device in a building structure and related methods An apparatus for mounting a cordless device in a building or furniture structure to provide reduced wiring visualization and exposure, and methods for mounting, installing, and using such apparatus are provided. An embodiment of the apparatus includes a base housing... | 11/28/2006 |
| 6539083 | Inductive coin validation system and payphone using such system A coin validation arrangement, usable for example in pay telephones, uses one or more inductive sensors having a small effective magnetic field so that the inductive sensor responds only to the material of a strip across the coin. Preferably a plurality o... | 03/25/2003 |
| 6304643 | Pay phone deposit method for limiting overpayment by a customer A method for limiting overpayment at a coin-operated telephone is disclosed. According to the method, a customer may initiate a call by first depositing a plurality of coins and then dialing the desired number. Once the number is dialed, the phone obtains... | 10/16/2001 |
| 6104795 | Method and apparatus for detecting and announcing pin fraud on coin telephones that use battery reversal pulses to meter charges Pin fraud of battery reversal pulse metered sophisticated coin telephones is detected, an announcement of the detected fraud made, and the fraud is stopped if the detected fraud continues by the method and apparatus of the invention. By carefully monitori... | 08/15/2000 |
| 6047063 | Methods and apparatus for providing an auxiliary communication line Methods and apparatus for using and/or switching to an auxiliary communication pathway to increase system reliability and/or reduce maintenance costs is disclosed. One feature is directed to a smart network interface device (SNID) implemented using latchi... | 04/04/2000 |
| 5949863 | Coin operated telephone auditor A low-power, integrated coin acceptor for a payphone containing audit circuitry is described. The integrated coin acceptor connects to the telephone tip, ring and ground lines and connects to a dumb or smart payphone chassis to provide both coin validatio... | 09/07/1999 |
| 5912955 | Method and apparatus for management of remotely-deployed stations Methods and systems are disclosed for the management of a remotely-deployed unit such as, for example, a telephone station. A local station revenue signal generated at the remote station corresponds to an amount of revenue generated at the remote unit. Th... | 06/15/1999 |
| 5896446 | Coin operated telephone auditor A low-power, integrated coin acceptor for a payphone containing audit circuitry is described. The integrated coin acceptor connects to the telephone tip, ring and ground lines and connects to a dumb or smart payphone chassis to provide both coin validatio... | 04/20/1999 |
| 5737401 | Full coin box signalling device for use with coin telephones A coin box monitoring circuit for use in pay telephones, providing coin detection, coin volume totalization, and full coin box signaling to the telephone central office. An included coin chute assembly has three channels that cause nickels, dimes, and qua... | 04/07/1998 |
| 5724415 | Coin deflector for a coin telephone receptacle A coin receptacle which maximizes use of the space within the receptacle and minimizes the frequency of collection visits. The coin receptacle solves the problem of pyramiding and dead space within by providing a resilient, angled surface positioned in th... | 03/03/1998 |
| 5621788 | Electrical wallbox for telephone devices A recessed wall unit to accommodate a telephone, cordless telephone and/or an answering machine. The box for telephone devices of this invention consists of a generally rectangular box with an electrical outlet and a telephone jack internally mounted with... | 04/15/1997 |
| 5410590 | Monitoring system for remote devices Apparatus for auditing the usage and indicating the status of a remote coin telephone system to a central computer via a telephone line. The apparatus comprises a power conversion and supply section connected to the telephone line and which derives curren... | 04/25/1995 |
| 5327482 | Public cordless telephone system with coin/card insertion inhibiting means A public cordless telephone system which comprises abase unit and a branch unit connected to the base unit through a radio link to be used by many unspecified persons. The public cordless telephone system comprises a base unit connected to a public line n... | 07/05/1994 |
| 5272747 | Mobile pay telephone system A mobile telephone system for public transportation vehicle, such as trains, cabs, etc., provides passengers with a wide variety of public services presently not available in any other system. Such services include access to facsimile machines and other p... | 12/21/1993 |
| 4955052 | Pay phone system and apparatus The pay phone apparatus of this invention includes a multiplicity of pay phones; a central switching board including a central switching device for each pay phone; and, a pair of telephone lines connecting each pay phone and its related switching device. ... | 09/04/1990 |
| 4926468 | Pay station telephone coin box apparatus An interface (10) is disclosed for coupling a conventional pay station telephone (12) to a telephone switching system (16). The interface (10) provides supervision signal detection functions normally provided by a switching system, and thus can be connect... | 05/15/1990 |
| 4736444 | Pay telephone monitoring system A passive, non-intrusive pay telephone monitoring system is disclosed for maintaining a talley of the amount of money present in a money box. A signal is sent over the line, interconnecting the pay telephone with its central office equipment when money in... | 04/05/1988 |
| 4674114 | Fraud prevention in an electronic coin telephone set In an electronic coin telephone set, a fraud prevention arrangement prevents fraudulent coin tones originating at a telephone transmitter from being provided to a central office over a coin subscriber loop. The arrangement comprises a first and second tra... | 06/16/1987 |
| 4599492 | Coin-telephone auditor An auditor system (10) includes a control circuit (30) that employs an off-hook detector (32) connected across the tip and ring lines (12 and 14) of a coin telephone to determine whether the coin telephone is off hook. It also employs a step-pulse detecto... | 07/08/1986 |
| 4206321 | Pay telephone alarm system with audit means An alarm and audit system for use with loop start telephones and with either semi-post-pay or pre-pay operations, and installed as office equipment for tabulating and storing information concerning collections from coin operated pay telephones, so as to e... | 06/03/1980 |
| 4124775 | Coin box removal information processing arrangement Automatic coin telephone station and central office systems have advanced recently to the point where facilities have been designed for accumulating at a centralized location data on the exact numbers and types of coins deposited in coin phones. This disc... | 11/07/1978 |
| 4123623 | Pay telephone alarm and audit system An alarm and audit system for use with loop start telephones and with either semi-post-pay or pre-pay operations, and installed as office equipment for tabulating and storing information concerning collections from coin operated pay telephones, so as to e... | 10/31/1978 |
| 4041243 | Coin box signaling arrangement A signaling arrangement for indicating to a remote location that coins in the cash receptacle of a coin-operated device have accumulated to a predetermined fill level is disclosed. In particular, a coin telephone station is disclosed, which station has a ... | 08/09/1977 |
| 4039768 | Pay telephone station monitor system A pay telephone station monitor system which monitors the operation of a pay telephone station and detects malfunction of the pay station equipment. An alarm signal is produced upon detection of such malfunction which signal is transmitted to a central of... | 08/02/1977 |
