Patents in subclass Telecommunications/Adjustable
Parent class: Telecommunications
| Number | Patent title | Issue Date |
|---|---|---|
| 07353022 | Wireless mobile call location and delivery for non-geographic numbers A system and method is provided for establishing a call to a wireless directory number (982) which is either a non-geographic directory number or a non-dialable directory number. A call is initiated from a wireline telephone (155) to a... |
04/01/2008 |
| 07180933 | Squelch circuitry for high speed high frequency operation A squelch circuit for operating at high speed and at high frequencies includes a squelch input unit, a low swing pre-amplifier and a sampling and decision circuit. The squelch input unit pre-processes the positive and negative signals of... |
02/20/2007 |
| 07120408 | Differential signal squelch detection circuit and method An electrical circuit detects a "squelch," or "out-of-band," state of a differential signal pair having a positive ("p") signal line and a negative ("n") signal line. In one embodiment of the invention, a first and a second comparator... |
10/10/2006 |
| 07043223 | Super-regenerative radio frequency receiver and its data receiving method A high sensitivity of a Super-Regenerative Radio Frequency Receiver and its method is provided in the embodiment of the present invention. By using a common-mode feedback circuit and by replacing the rectifier with a feedback... |
05/09/2006 |
| 06842609 | Radio having adjustable seek sensitivity based on average signal strength and method therefor A tuneable radio and method for automatically adjusting the seek sensitivity alignment for seek operations. The radio has a radio receiver for receiving broadcast radio wave signals, and a tuner adjustable for selecting from a plurality... |
01/11/2005 |
| 06775527 | Squelch circuit with adjustable reference level A squelch circuit with an adjustable reference level, having an input level comparator with a first, a second, a third and a fourth current input terminal, a first and a second input terminal, and an output terminal. A first current... |
08/10/2004 |
| 06640093 | Broadcast receiver A receiver for broadcast signals, e.g. DAB, FM, DVB, and digital or analog short-wave RF broadcast signals according to the present invention includes a polyfunctional circuit (5) that can be switched into three modes and performs the... |
10/28/2003 |
| 06397049 | Two-way radio with improved squelch A two-way radio (1) that has a radio frequency receiver (2) having a modulated radio frequency signal output and a variable bandwidth filter (3) with an input coupled to the modulated radio frequency signal output. The radio (1) also has... |
05/28/2002 |
| 06377590 | Apparatus and method for adaptive delay mitigation of voice communication An apparatus (30) and method minimize voice delay by combining comfort noise with subframe insertions to fill gaps in speech and maintain a minimum delay for packets arriving late. When a packet is late, short durations of sound are... |
04/23/2002 |
| 06298225 | Radio telephones and method of operation A radio receiver operable for communication in a radio system in which information is transmitted on respective channels in bursts. Each burst has a field for enabling the radio receiver to synchronise therewith. The radio receiver has an... |
10/02/2001 |
| 6108528 | Receive squelch circuit having function of detecting pulse width A receive squelch circuit detects a pulse width of an input data signal to prevent errors from occurring during detection of received data. The squelch circuit adds a function of detecting a pulse width to an input side to detect normal... |
08/22/2000 |
| 5933769 | Portable telephone capable of decreasing noise In a portable telephone, a voice filter is connected to an antenna through a receiving circuit. A filter is connected to the voice filter through a switching circuit and filters the voice signal from the voice filter to produce a filtered... |
08/03/1999 |