GB561591A - Sound recording apparatus - Google Patents

Sound recording apparatus

Info

Publication number
GB561591A
GB561591A GB16447/42A GB1644742A GB561591A GB 561591 A GB561591 A GB 561591A GB 16447/42 A GB16447/42 A GB 16447/42A GB 1644742 A GB1644742 A GB 1644742A GB 561591 A GB561591 A GB 561591A
Authority
GB
United Kingdom
Prior art keywords
stylus
face
cutting
cut material
material inward
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.)
Expired
Application number
GB16447/42A
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.)
Philco Radio and Television Corp
Original Assignee
Philco Radio and Television 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 Philco Radio and Television Corp filed Critical Philco Radio and Television Corp
Publication of GB561591A publication Critical patent/GB561591A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/096—Mechanical removal assistant

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Machine Tool Units (AREA)

Abstract

561,591. Gramophones. PHILCO RADIO & TELEVISION CORPORATION. Nov. 20, 1942, No. 16447. Convention date, Dec. 4, 1941. [Class 40 (ii)] The cutting face of the recording stylus of a gramophone is so angularly oriented that throughoutsubstantially the entire recording movement of the stylus said face urges the cut material inward. As shown by Fig. 6, the stylus 18 has a cutting point in the form of a bevelled chisel 12 with a flat face 10. The shank of the stylus has an indexing-flat 11 adapted to be clamped by a screw 13, Fig. 2, to the armature 14 of a cutting head 15 on an arm 7 pivoted at 17, Fig. 1, the arrangement being such that the cutting face 10 is always slightly inclined to the radius from the centre 4 of the turntable 3 so as to urge the cut material inward. A scrubber 22 may be attached by a spring 23 to the cutting head to help push the cut material inward.,
GB16447/42A 1941-12-04 1942-11-20 Sound recording apparatus Expired GB561591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421661A US2340806A (en) 1941-12-04 1941-12-04 Sound recording apparatus

Publications (1)

Publication Number Publication Date
GB561591A true GB561591A (en) 1944-05-25

Family

ID=23671490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16447/42A Expired GB561591A (en) 1941-12-04 1942-11-20 Sound recording apparatus

Country Status (2)

Country Link
US (1) US2340806A (en)
GB (1) GB561591A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2691830A1 (en) * 1992-05-29 1993-12-03 Parienti Raoul Recording and playing audio signal on postcard - using membrane and arm to operate needle to engrave soft disk which is then hardened
WO1995015561A1 (en) * 1993-12-01 1995-06-08 Raoul Parienti Postal article

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568869A (en) * 1945-11-14 1951-09-25 William K Rieber Sound record drive
US4918678A (en) * 1977-12-12 1990-04-17 Dolby Ray Milton Disc reproducing system for compensating mechanical imperfections
US4359769A (en) * 1979-05-08 1982-11-16 Matsushita Electric Industrial Co., Ltd. Signal reproduction apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2691830A1 (en) * 1992-05-29 1993-12-03 Parienti Raoul Recording and playing audio signal on postcard - using membrane and arm to operate needle to engrave soft disk which is then hardened
WO1995015561A1 (en) * 1993-12-01 1995-06-08 Raoul Parienti Postal article
FR2713384A1 (en) * 1993-12-01 1995-06-09 Parienti Raoul Correspondence object.

Also Published As

Publication number Publication date
US2340806A (en) 1944-02-01

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