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.)
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.)
Hashimoto Corp
Original Assignee
Hashimoto 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 Hashimoto CorpfiledCriticalHashimoto Corp
Priority to JP8321081ApriorityCriticalpatent/JPS57197949A/ja
Publication of JPS57197949ApublicationCriticalpatent/JPS57197949A/ja
Publication of JPS6328386B2publicationCriticalpatent/JPS6328386B2/ja
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
JP8321081A1981-05-311981-05-31Telephone set for loudspeaking voice of opposite subscriber for several seconds after on-hook operation
GrantedJPS57197949A
(en)