JPH02134768U - - Google Patents

Info

Publication number

JPH02134768U

JPH02134768U JP4343689U JP4343689U JPH02134768U JP H02134768 U JPH02134768 U JP H02134768U JP 4343689 U JP4343689 U JP 4343689U JP 4343689 U JP4343689 U JP 4343689U JP H02134768 U JPH02134768 U JP H02134768U

Authority

JP

Japan

Prior art keywords

caller

push button

button signal

circuit

telephone number

Prior art date

1989-04-12

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

Links

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims description 4
• 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 1