JPS6439900A - Receiver - Google Patents

Receiver

Info

Publication number
JPS6439900A
JPS6439900A JP19709687A JP19709687A JPS6439900A JP S6439900 A JPS6439900 A JP S6439900A JP 19709687 A JP19709687 A JP 19709687A JP 19709687 A JP19709687 A JP 19709687A JP S6439900 A JPS6439900 A JP S6439900A
Authority
JP
Japan
Prior art keywords
carrier signal
signal
transmission information
receiver
period
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
JP19709687A
Other languages
Japanese (ja)
Inventor
Naonori Okabayashi
Seiichiro Kihara
Yoshihei Tani
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP19709687A priority Critical patent/JPS6439900A/en
Publication of JPS6439900A publication Critical patent/JPS6439900A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To securely reproduce a signal by demodulating transmission information out of a transmission signal based on the output of a discriminating means to discriminate the presence and absence of a carrier signal. CONSTITUTION:A receiver 25 is constituted by including a photodetector, a comparator 4, a synchronizing detector 7 to be a period detecting means, a counter 8 and a waveform shaping device 10 to be the discriminating means and a demodulating means. Namely, the period of the carrier signal of a received signal is detected by the synchronizing detector 7, the presence and absence of the carrier signal is detected for this output by the waveform shaping device 10 and the transmission information are reproduced. Thus, since the receiver 25 detects the period of the carrier signal, it is composed of a digital circuit. Thus, the difference of performance is eliminated between products and the transmission information can be securely reproduced.
JP19709687A 1987-08-05 1987-08-05 Receiver Pending JPS6439900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19709687A JPS6439900A (en) 1987-08-05 1987-08-05 Receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19709687A JPS6439900A (en) 1987-08-05 1987-08-05 Receiver

Publications (1)

Publication Number Publication Date
JPS6439900A true JPS6439900A (en) 1989-02-10

Family

ID=16368658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19709687A Pending JPS6439900A (en) 1987-08-05 1987-08-05 Receiver

Country Status (1)

Country Link
JP (1) JPS6439900A (en)

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