JPS5516529A - Communication unit - Google Patents
Communication unitInfo
- Publication number
- JPS5516529A JPS5516529A JP8878478A JP8878478A JPS5516529A JP S5516529 A JPS5516529 A JP S5516529A JP 8878478 A JP8878478 A JP 8878478A JP 8878478 A JP8878478 A JP 8878478A JP S5516529 A JPS5516529 A JP S5516529A
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- discriminator
- circuit
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To obtain an error resending request function with transmission efficiency improved sacrificing a little reliability by stopping the transmission of a few error detection signals, even if detected, to a transmission part and 2nd memory unit.
CONSTITUTION: Discriminator 26 in reception part 2 selects a desired detection code among detection signal output 21 from demodulator 17 and its output 27 is applied to 2nd modulator 23 and 2nd memory unit 19. On the input of error detection signal 21, quinary counter circuit 28 starts counting pulses of signal 21. Since ouput 32 of inverter 29 is "1" unitl the output of quinary counter circuit 28 reaches "1", AND gate 31 stays open and signal 21 itself is output 27 of discriminator 26. Once circuit 28 counts the pulses of signal 21 five times, output 30 of circuit 28 becomes "1" and output 32 of inverter 29 becomes "0" to close AND gate 31, so that the 5th pulse of signal 21 will never appear at output 27 of discriminator 26.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53088784A JPS5850464B2 (en) | 1978-07-20 | 1978-07-20 | Communication device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53088784A JPS5850464B2 (en) | 1978-07-20 | 1978-07-20 | Communication device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5516529A true JPS5516529A (en) | 1980-02-05 |
JPS5850464B2 JPS5850464B2 (en) | 1983-11-10 |
Family
ID=13952465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53088784A Expired JPS5850464B2 (en) | 1978-07-20 | 1978-07-20 | Communication device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5850464B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017205015A1 (en) | 2017-03-24 | 2018-09-27 | Aktiebolaget Skf | Rolling bearing with an electrically insulating layer |
DE202017101725U1 (en) | 2017-03-24 | 2017-04-11 | Aktiebolaget Skf | Rolling bearing with an electrically insulating layer |
-
1978
- 1978-07-20 JP JP53088784A patent/JPS5850464B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5850464B2 (en) | 1983-11-10 |
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