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6501802 |
Digital silence for a PCM data communication system
A method of transmitting a quite, or zero, signal in a PCM communication system. The zero signal is specified universally in ordered set terms for either μ-Law or A-Law PCM systems, which has...
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6362805 |
Mode detection circuit of liquid crystal display
A mode detection circuits in LCDs is disclosed, comprising: a first mode signal detection means for detecting an enable/synchronous signal mode in response to a vertical synchronous signal and for...
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5929772 |
Data processing device and method for use in a paging receiver
A data processing device of a paging receiver having a controller for analyzing decoded paging data and for performing a paging function, wherein address data and message data of all frames are...
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5920269 |
Repeat call message transmission radio pager with front end deactivated following reception of a message
In a repeat call paging system, a paging signal is transmitted in a sequence of frames each comprising a series of fields respectively assigned to different pagers. Each of the fields contains a...
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5907795 |
Battery saving radio paging signal transmitting and receiving system
A battery saving radio paging signal transmitting and receiving system includes an exchange for receiving a call request from a given terminal. I response to the call request, the exchange...
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5831544 |
Method and apparatus for saving battery power in a paging receiver
A method and apparatus for saving battery power in a paging receiver includes: supplying power to the receiver for a predetermined time period in an idle mode; analyzing data received during the...
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5822689 |
Circuit and method using data synchronization for battery power conservation in a paging receiver
A battery saving circuit in a paging receiver operates in an idle mode and a batch mode. A power supply section generates operating power for the paging receiver. A receiving section receives...
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5821873 |
Method and apparatus for saving power in a selective call receiver
A method for reducing power consumption in a selective call receiver includes the steps of first receiving a paging signal that includes a preamble and a plurality of batches, each of the batches...
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5724389 |
Method and apparatus for detecting a presence of a predetermined baud rate
A method and apparatus detects (516) a baud rate in a digital signal (442). An N-state counter (404) counts at a rate N times the baud rate and the digital signal is sampled (504) to detect...
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EP0782355A2 |
Selective reception of a radio signal in a cell assigned with one of several predetermined bit rates and one of several predetermined signal formats
In a selectively called radio receiver operable with battery saving and including a memory (21) for predetermined bit rates and predetermined formats (synchronizing signals, each accompanied by at...
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5606728 |
Method and apparatus for reducing power consumption in a selective call radio
A technique substantially reduces power consumption of a selective call radio (106) while the selective call radio (106) is in an inactivated state. During the inactivated state a power state of...
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5561693 |
Selective call receiver with battery saving features and method therefor
A selective call receiver (10) comprising a processor (108) that couples to a receiver circuit (102), a baud rate detector (106) and a memory device (110). The processor (108) activates the baud...
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4554560 |
Side printing apparatus
A side printing apparatus for providing latent images of information marks, such as manufacturer's name, date information, film size, frame numbers and the like at the longitudinal sides adjacent...
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4553833 |
Side printing apparatus
A side printing apparatus includes a plurality of light emitting members arranged in a line perpendicular to the forward direction of a film so as to provide several kinds of dot patterns which are...
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4548492 |
Side printing apparatus
A side printing apparatus for providing on a continuously moving film latent images of characters, numerals, symbols and the like which are later photographically developed. The light image forming...
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4519701 |
Side printing apparatus
A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photographic film moving in continuous motion includes a film sensitivity responsive means...
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