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Inventor

Hermann Bretschneider

Inventor
Vienna, AT

Overview

2→
Patents
1978
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer50%
H04MTelephonic communication50%
PatentTitleYear
4,125,844'Magnetic position marker for a tape recorder using magnetically alignable particles for making the mark'19784,071,716'Dictation system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to PHILIPS CORP (2)· patent assignee history
1978Based in Vienna, AT· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIPS CORP21978
Locations
LocationPatentsSpan
Vienna, AT21978