JPS5530213A - Signal converter - Google Patents

Signal converter

Info

Publication number
JPS5530213A
JPS5530213A JP10272678A JP10272678A JPS5530213A JP S5530213 A JPS5530213 A JP S5530213A JP 10272678 A JP10272678 A JP 10272678A JP 10272678 A JP10272678 A JP 10272678A JP S5530213 A JPS5530213 A JP S5530213A
Authority
JP
Japan
Prior art keywords
signal
input
pulses
pulse
clock
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.)
Pending
Application number
JP10272678A
Other languages
Japanese (ja)
Inventor
Akira Honda
Junichi Nakagawa
Makoto Furuhata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10272678A priority Critical patent/JPS5530213A/en
Publication of JPS5530213A publication Critical patent/JPS5530213A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make signal conversion possible through accurate self-synchronization with input pulses even if an input signal shifts in pulse position, by making a decision on a pulse code by the number of clock signals in a space period of an input pulse position demodulated signal.
CONSTITUTION: A pulse-position modulated signal expressed by spaces, differing in time width by pulses of constant time width and codes is applied to input terminal 3. From clock input signal terminal 12, a clock signal with a frequency much higher than the fundamental frequency of the input signal is applied. Then, FF20 and inverter 18-2, for example, opens gate 16-3 only in the space period of the input signal to pass clock pulses through and pulses are divided and counted by counter 19. In addition, a pulse code is judged by this count value and, for example, when it is three or four, counter 19 generates an output. By this output signal, the output of a control counter is outputted from an outoput block respectively.
COPYRIGHT: (C)1980,JPO&Japio
JP10272678A 1978-08-25 1978-08-25 Signal converter Pending JPS5530213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10272678A JPS5530213A (en) 1978-08-25 1978-08-25 Signal converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10272678A JPS5530213A (en) 1978-08-25 1978-08-25 Signal converter

Publications (1)

Publication Number Publication Date
JPS5530213A true JPS5530213A (en) 1980-03-04

Family

ID=14335258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10272678A Pending JPS5530213A (en) 1978-08-25 1978-08-25 Signal converter

Country Status (1)

Country Link
JP (1) JPS5530213A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124153U (en) * 1984-01-31 1985-08-21 パイオニア株式会社 Data signal reading device
JPS61177848A (en) * 1985-02-01 1986-08-09 Omron Tateisi Electronics Co Data transmission and reception in infrared remote controller
WO2007080679A1 (en) * 2006-01-13 2007-07-19 Smk Corporation Pulse modulation method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5048867A (en) * 1973-08-31 1975-05-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5048867A (en) * 1973-08-31 1975-05-01

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124153U (en) * 1984-01-31 1985-08-21 パイオニア株式会社 Data signal reading device
JPH0326700Y2 (en) * 1984-01-31 1991-06-10
JPS61177848A (en) * 1985-02-01 1986-08-09 Omron Tateisi Electronics Co Data transmission and reception in infrared remote controller
WO2007080679A1 (en) * 2006-01-13 2007-07-19 Smk Corporation Pulse modulation method
US7800518B2 (en) 2006-01-13 2010-09-21 Smk Corporation Pulse modulation method

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