公开(公告)号：US3899642A

公开(公告)日：1975-08-12

申请号：US34593873

申请日：1973-03-29

Applicant: IBM

Inventor： JONES IVOR ,  MULLER HANS RUDOLF ,  WILD DANIEL ,  ZAFIROPULO PITRO ALOIS

IPC: H04M11/06 ,  H04B14/04 ,  H04J3/12 ,  H04J3/14 ,  H04M11/00 ,  H04M19/02 ,  H04Q3/60 ,  H04Q11/04 ,  H04M3/00

CPC classification number: H04Q11/04 ,  H04J3/12

Abstract: Status and alerting signals are distributed in a TDM communication system in a split-up form in broadcasting mode: the cadencing information of all status/alerting signals is distributed in word format on an existing signaling channel, each bit of such a word representing the scan value of a different status/alerting signal at a given moment. The basic tone common to all status/alerting signals may be distributed in coded form on a special or a common channel like voice signals. Any terminal instructed to do so will regenerate any required tone signal for itself.

Abstract translation: 状态和告警信号在广播模式下以分割形式分布在TDM通信系统中：所有状态/告警信号的节奏信息以现有信令信道的字格式分布，这样一个字的每一位表示扫描 在给定时刻不同状态/告警信号的值。 所有状态/告警信号共同的基本音调可以以特定或公共信道（如语音信号）的编码形式分布。 任何指定的终端将自动重新生成任何所需的音调信号。

公开(公告)号：DE2314272A1

公开(公告)日：1973-10-11

申请号：DE2314272

申请日：1973-03-22

Applicant: IBM

Inventor： MUELLER HANS RUDOLF ,  ZAFIROPULO PITRO ALOIS ,  JONES IVOR ,  WILD DANIEL

IPC: H04M11/06 ,  H04B14/04 ,  H04J3/12 ,  H04J3/14 ,  H04M11/00 ,  H04M19/02 ,  H04Q3/60 ,  H04Q11/04

Abstract: Status and alerting signals are distributed in a TDM communication system in a split-up form in broadcasting mode: the cadencing information of all status/alerting signals is distributed in word format on an existing signaling channel, each bit of such a word representing the scan value of a different status/alerting signal at a given moment. The basic tone common to all status/alerting signals may be distributed in coded form on a special or a common channel like voice signals. Any terminal instructed to do so will regenerate any required tone signal for itself.

公开(公告)号：CA1097108A

公开(公告)日：1981-03-10

申请号：CA305808

申请日：1978-06-20

Applicant: IBM

Inventor： WILD DANIEL ,  GFELLER FRITZ

IPC: H01Q19/06 ,  H04B7/15 ,  H04B10/11 ,  H04B10/118 ,  H04B9/00 ,  G02B5/32 ,  G02B27/38

Abstract: HOLOGRAPHIC OPTICAL SATELLITE COMMUNICATION SYSTEM In a satellite communication system using optical carriers the down link radiation beam pattern should illuminate only the receiver sites for power economy. Therefore the transmitting laser's beam pattern is shaped in such a way that the intensity distribution at the earth surface is adapted to the geographical distribution of the receiving stations. A suitably prepared hologram or set of stacked holograms storing different beam patterns is interposed in the radiation path. For varying the antenna characteristic a particular hologram is selected by changing the beam angle of incidence by remote control. SZ9-77-001

公开(公告)号：CH607474A5

公开(公告)日：1978-12-29

申请号：CH1426176

申请日：1976-11-12

Applicant: IBM

Inventor： ROTHAUSER ERNST DR ,  WILD DANIEL

IPC: G06F13/00 ,  H04L12/413 ,  H04L5/22 ,  H04J6/02

Abstract: A method is disclosed by which several data stations which use a single communication channel, and which are simultaneously ready to transmit a data packet, can send a request for channel allocation, and will be granted the channel each for one data packet transmission, all within one time frame without central control, polling, or collisions. Addresses of all data stations desiring channel allocation are interleaved and superimposed in a specific manner for transmitting the requests, and by observing the resulting common signal, each data station determines when it can send its data packet. An arrangement for a data station is also disclosed which comprises the means necessary for transmitting address characters in an interactive procedure simultaneously with other stations, and for determining the allocated packet time slot.

公开(公告)号：DE2731963A1

公开(公告)日：1978-05-18

申请号：DE2731963

申请日：1977-07-15

Applicant: IBM

Inventor： ROTHAUSER ERNST HANS ,  WILD DANIEL

IPC: G06F13/00 ,  H04L12/413 ,  H04L5/22 ,  H04J6/00

Abstract: A method is disclosed by which several data stations which use a single communication channel, and which are simultaneously ready to transmit a data packet, can send a request for channel allocation, and will be granted the channel each for one data packet transmission, all within one time frame without central control, polling, or collisions. Addresses of all data stations desiring channel allocation are interleaved and superimposed in a specific manner for transmitting the requests, and by observing the resulting common signal, each data station determines when it can send its data packet. An arrangement for a data station is also disclosed which comprises the means necessary for transmitting address characters in an interactive procedure simultaneously with other stations, and for determining the allocated packet time slot.

公开(公告)号：CA1085015A

公开(公告)日：1980-09-02

申请号：CA287337

申请日：1977-09-23

Applicant: IBM

Inventor： ROTHAUSER ERNST H ,  WILD DANIEL

IPC: G06F13/00 ,  H04L12/413 ,  H04J3/08 ,  H04Q11/04

Abstract: MULTI-LEVEL MULTIPLE-ACCESS METHOD A method is disclosed by which several data stations which use a single communication channel, and which are simultaneously ready to transmit a data packet, can send a request for channel allocation, and will be granted the channel each for one data packet transmission, all within one time frame without central control, polling, or collisions. Addresses of all data stations desiring channel allocation are interleaved and superimposed in a specific manner for transmitting the requests, and by observing the resulting common signal, each data station determines when it can send its data packet. An arrangement for a data station is also disclosed which comprises the means necessary for transmitting address characters in an interactive procedure simultaneously with other stations, and for determining the allocated packet time slot.

公开(公告)号：CH618820A5

公开(公告)日：1980-08-15

申请号：CH1175777

申请日：1977-09-27

Applicant: IBM

Inventor： WILD DANIEL ,  GFELLER FRITZ DR

IPC: H01Q19/06 ,  H04B7/15 ,  H04B10/11 ,  H04B10/118 ,  H04B9/00

Abstract: In a satellite communication system using optical carriers the down link radiation beam pattern is limited to illuminating only the receiver sites for power economy. The transmitting laser's beam pattern is shaped in such a way that the intensity distribution at the earth surface is adapted to the geographical distribution of the receiving stations. A suitably prepared hologram or set of stacked holograms storing different beam patterns is interposed in the radiation path. The antenna characteristic may be varied by selecting a particular hologram. This is accomplished by changing the beam angle of incidence by remote control.

公开(公告)号：FR2371018A1

公开(公告)日：1978-06-09

申请号：FR7729872

申请日：1977-09-28

Applicant: IBM

Inventor： ROTHAUSER ERNST H ,  WILD DANIEL

IPC: G06F13/00 ,  H04L12/413

Abstract: A method is disclosed by which several data stations which use a single communication channel, and which are simultaneously ready to transmit a data packet, can send a request for channel allocation, and will be granted the channel each for one data packet transmission, all within one time frame without central control, polling, or collisions. Addresses of all data stations desiring channel allocation are interleaved and superimposed in a specific manner for transmitting the requests, and by observing the resulting common signal, each data station determines when it can send its data packet. An arrangement for a data station is also disclosed which comprises the means necessary for transmitting address characters in an interactive procedure simultaneously with other stations, and for determining the allocated packet time slot.

公开(公告)号：CA971291A

公开(公告)日：1975-07-15

申请号：CA130048

申请日：1971-12-14

Applicant: IBM

Inventor： CLOSS FELIX H ,  MUELLER HANS R ,  WILD DANIEL

IPC: H04J3/06 ,  H04J3/24 ,  H04Q11/04

Abstract: A decentralized time division multiplex communication system having independent exchange modules arranged to individually set up connections without the need of central control. Commonality of hardware is limited to a simple interconnection unit, and a clock allowing synchronization of all modules. Each exchange module, with its associated group of terminals, is arranged to form a time division multiplex system of first order. The exchange modules, together with the interconnection unit, are arranged to form a super-multiplex system, i.e., a time division multiplex system of second order. All bus line time division multiplex channels of all exchange modules are interspersed on the interconnection unit. To each of these bus line channels, a time slot is permanently assigned in the super-multiplex time frame.

公开(公告)号：DE2229912A1

公开(公告)日：1973-03-01

申请号：DE2229912

申请日：1972-06-20

Applicant: IBM

Inventor： JONES IVOR ,  MUELLER HANS RUDOLF ,  WILD DANIEL ,  ZAFIROPULO PITRO ALOIS

IPC: G06F13/00 ,  H04L5/22 ,  H04L12/43 ,  H04Q9/00 ,  H04Q11/04

Abstract: A closed loop communication system in which the terminals are grouped into priority classes. Any terminal can seize a free channel if certain priority conditions exist. A channel (frame) is always preceded by a header comprising a priority request field and a priority grant field. The request field has n bits assigned to the n priority classes; a terminal requiring service sets that bit to "1" which corresponds to its class. Thus, the controller receives a compiled overall request and inserts, for the next cycle, into the grant field an indication as to which priority class or classes are now allowed access to the channel. This is accomplished by shifting the contents of the request field to the grant field. A terminal can only seize the channel if its priority class is allowed for that cycle by the grant field, and if the channel is still free.