1.
    发明专利
    未知

    公开(公告)号:DK175019B1

    公开(公告)日:2004-04-26

    申请号:DK129884

    申请日:1984-02-29

    Applicant: MOTOROLA INC

    Abstract: A general purpose data control and information system (30-64) particularly well adapted for multiple unit (60-64) radio communications providing reliable enhancement to normal voice systems. The system provides addressing capability (Fig. 2, bits 0-15), along with data transfer (Fig. 3) and utilizes handshake and retransmisssion protocol to enhance flexibility and reliability. The system utilizes fixed length signalling packets (Figs. 2 and 3) with error correction encoding, to permit data transfer, transmitter identification and control and status monitoring.

    Method for emergency calls in a communication system

    公开(公告)号:DK170085B1

    公开(公告)日:1995-05-15

    申请号:DK170384

    申请日:1984-03-28

    Applicant: MOTOROLA INC

    Abstract: A selective calling, paging and priority signalling system for two way communications between at least one primary and a plurality of remote stations. An automatic selective calling mode is provided in which the primary station operator enters the address of the desired unit and activates his microphone. Unmuting data packet will then be transmitted to the addressed remote station, unmuting the remote station. When the transmission ends, a mute data packet is transmitted, remuting the remote station.

    4.
    发明专利
    未知

    公开(公告)号:NO173799C

    公开(公告)日:1994-02-02

    申请号:NO841207

    申请日:1984-03-27

    Applicant: MOTOROLA INC

    Abstract: A general purpose data control and information system (30-64) particularly well adapted for multiple unit (60-64) radio communications providing reliable enhancement to normal voice systems. The system provides addressing capability (Fig. 2, bits 0-15), along with data transfer (Fig. 3) and utilizes handshake and retransmisssion protocol to enhance flexibility and reliability. The system utilizes fixed length signalling packets (Figs. 2 and 3) with error correction encoding, to permit data transfer, transmitter identification and control and status monitoring.

    5.
    发明专利
    未知

    公开(公告)号:NO169415C

    公开(公告)日:1992-06-17

    申请号:NO841205

    申请日:1984-03-27

    Applicant: MOTOROLA INC

    Abstract: A data signalling system for transmitting signals between at least one primary station and a plurality of secondary stations. The system is well adapted for use in multiple unit radio communications systems capable of noise and data communications. A register model is utilized which permits a highly flexible signalling system compatable with a wide range of communications networks. Data transfer is accomplished using fixed length data packets which are error correction encoded and transmitted utilizing PSK modulation.

    6.
    发明专利
    未知

    公开(公告)号:NO841205L

    公开(公告)日:1984-03-27

    申请号:NO841205

    申请日:1984-03-27

    Applicant: MOTOROLA INC

    Abstract: A data signalling system for transmitting signals between at least one primary station and a plurality of secondary stations. The system is well adapted for use in multiple unit radio communications systems capable of noise and data communications. A register model is utilized which permits a highly flexible signalling system compatable with a wide range of communications networks. Data transfer is accomplished using fixed length data packets which are error correction encoded and transmitted utilizing PSK modulation.

    8.
    发明专利
    未知

    公开(公告)号:DK129884D0

    公开(公告)日:1984-02-29

    申请号:DK129884

    申请日:1984-02-29

    Applicant: MOTOROLA INC

    Abstract: A general purpose data control and information system (30-64) particularly well adapted for multiple unit (60-64) radio communications providing reliable enhancement to normal voice systems. The system provides addressing capability (Fig. 2, bits 0-15), along with data transfer (Fig. 3) and utilizes handshake and retransmisssion protocol to enhance flexibility and reliability. The system utilizes fixed length signalling packets (Figs. 2 and 3) with error correction encoding, to permit data transfer, transmitter identification and control and status monitoring.

    9.
    发明专利
    未知

    公开(公告)号:NO163839C

    公开(公告)日:1990-07-25

    申请号:NO843140

    申请日:1984-08-06

    Applicant: MOTOROLA INC

    Abstract: A digital voice storage system adapted for use in a multiple unit land mobile radio communications system. The system utilizes a PSK signalling system with fixed length data packets to control a system capable of multiple message storage of speech at mobile stations. Up to eight 64K dynamic RAMS are used in conjunction with a microprocessor to store up to 42 seconds of speech comprising up to eight separate messages. In addition, the system permits base interrogation of mobiles to determine if a message has been stored for review by the base operator and to determine the remaining recording capacity and total recording capacity of the mobile.

    10.
    发明专利
    未知

    公开(公告)号:NO163839B

    公开(公告)日:1990-04-17

    申请号:NO843140

    申请日:1984-08-06

    Applicant: MOTOROLA INC

    Abstract: A digital voice storage system adapted for use in a multiple unit land mobile radio communications system. The system utilizes a PSK signalling system with fixed length data packets to control a system capable of multiple message storage of speech at mobile stations. Up to eight 64K dynamic RAMS are used in conjunction with a microprocessor to store up to 42 seconds of speech comprising up to eight separate messages. In addition, the system permits base interrogation of mobiles to determine if a message has been stored for review by the base operator and to determine the remaining recording capacity and total recording capacity of the mobile.

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