230000002093 peripheral Effects 0.000 claims description 6.239000011148 porous material Substances 0.000 claims description 10.230000035945 sensitivity Effects 0.000 claims abstract description 12.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from JA50-133368 external-priority Priority claimed from JP13336875U external-priority patent/JPS5246803U/ja Priority claimed from JP8486576U external-priority patent/JPS5623983Y2/ja Priority claimed from JP8486776U external-priority patent/JPS533024U/ja Priority claimed from JP1976084866U external-priority patent/JPS6010156Y2/ja Priority claimed from JP8532776U external-priority patent/JPS533524U/ja Priority claimed from JP8532676U external-priority patent/JPS533523U/ja Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd Application granted granted Critical Publication of US4088849A publication Critical patent/US4088849A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Victor Company of Japan 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 or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/725,712 Inventor Nobuo Usami Taira Kato Current Assignee (The listed assignees may be inaccurate.
Binaural recording text pdf#
Google Patents Headphone unit incorporating microphones for binaural recordingĭownload PDF Info Publication number US4088849A US4088849A US05/725,712 US72571276A US4088849A US 4088849 A US4088849 A US 4088849A US 72571276 A US72571276 A US 72571276A US 4088849 A US4088849 A US 4088849A Authority US United States Prior art keywords microphone flat surface semicylindrical enclosure earlap Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4088849A - Headphone unit incorporating microphones for binaural recording
US4088849A - Headphone unit incorporating microphones for binaural recording
0 kommentar(er)
