NL7507377A - GRID FOR A SPEAKER. - Google Patents

GRID FOR A SPEAKER.

Info

Publication number
NL7507377A
NL7507377A NL7507377A NL7507377A NL7507377A NL 7507377 A NL7507377 A NL 7507377A NL 7507377 A NL7507377 A NL 7507377A NL 7507377 A NL7507377 A NL 7507377A NL 7507377 A NL7507377 A NL 7507377A
Authority
NL
Netherlands
Prior art keywords
speaker
grid
Prior art date
Application number
NL7507377A
Other languages
Dutch (nl)
Other versions
NL165023B (en
Original Assignee
Northern Electric Co
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 Northern Electric Co filed Critical Northern Electric Co
Publication of NL7507377A publication Critical patent/NL7507377A/en
Publication of NL165023B publication Critical patent/NL165023B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/023—Screens for loudspeakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
NL7507377.A 1974-06-21 1975-06-20 GRILL FOR A SPEAKER. NL165023B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203,106A CA992875A (en) 1974-06-21 1974-06-21 Speaker grills

Publications (2)

Publication Number Publication Date
NL7507377A true NL7507377A (en) 1975-12-23
NL165023B NL165023B (en) 1980-09-15

Family

ID=4100464

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7507377.A NL165023B (en) 1974-06-21 1975-06-20 GRILL FOR A SPEAKER.

Country Status (13)

Country Link
JP (1) JPS5113508A (en)
BE (1) BE830491A (en)
CA (1) CA992875A (en)
DE (1) DE2527542A1 (en)
DK (1) DK277775A (en)
ES (1) ES213321Y (en)
FR (1) FR2275955A1 (en)
GB (1) GB1473047A (en)
IE (1) IE41565B1 (en)
IT (1) IT1039191B (en)
NL (1) NL165023B (en)
NO (1) NO752097L (en)
SE (1) SE7507132L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5699127A (en) * 1979-12-29 1981-08-10 Electroplating Eng Of Japan Co Automatic plating device
DE9113951U1 (en) * 1991-11-09 1992-01-02 Metalpraecis Berchem + Schaberg Gesellschaft für Metallformgebung mbH, 4650 Gelsenkirchen Shut-off device for installation in a pipeline carrying a hot flowing medium
JP2010114806A (en) * 2008-11-10 2010-05-20 Toppan Printing Co Ltd Speaker grill and manufacturing method thereof, and speaker with which the speaker grill is additionally provided
CN111328002B (en) * 2018-12-17 2024-06-11 海湾安全技术有限公司 Alarm and sound device

Also Published As

Publication number Publication date
FR2275955A1 (en) 1976-01-16
CA992875A (en) 1976-07-13
BE830491A (en) 1975-10-16
IE41565L (en) 1975-12-21
GB1473047A (en) 1977-05-11
IT1039191B (en) 1979-12-10
NO752097L (en) 1975-12-23
SE7507132L (en) 1975-12-22
ES213321U (en) 1976-06-16
NL165023B (en) 1980-09-15
DK277775A (en) 1975-12-22
DE2527542A1 (en) 1976-01-08
ES213321Y (en) 1976-11-01
IE41565B1 (en) 1980-01-30
JPS5113508A (en) 1976-02-03

Similar Documents

Publication Publication Date Title
NL7507199A (en) INSERT FOR A DIAPER.
NL7505634A (en) HANGING DEVICE FOR A WELL CONNECTION.
NL167913C (en) AUTOMATIC INFLATOR FOR A RESCUE.
NL7504249A (en) CLOSING CONSTRUCTION FOR A HOLDER.
NL7504265A (en) A FILTER CONSTRUCTION.
NL7511264A (en) CONNECTION PIECE FOR A CATHETER.
NL170116C (en) SEALING COMBINATION FOR A HOLDER.
NL7514617A (en) BLOWHEAD FOR A STRING PRESS.
NL7504641A (en) PROCESS FOR PREPARING A CEMENTPRODUKT.
NL7513587A (en) FREEM FOR A MOTORCYCLE.
NL7512708A (en) SIGNALING CONTROL UNIT FOR A TELEPHONE CENTRAL.
NL159878C (en) KEYBOARD FOR A HEART CATHETERIZATION DEVICE.
NL7507396A (en) CONNECTION PIECE FOR A CATHETER.
NL7500617A (en) ANODE DISC FOR A ROTGEN TUBE WITH TURN ANODE.
ES225095Y (en) A SOUND TOY.
BE836589A (en) SIGNAALVERDEELINRICHTING VOOR EEN KABELTELEVISIENETWERK
NL7400338A (en) WINDOW FOR A LASER CAVE.
NL7508470A (en) GRILL SUPPORT FOR A PLANAR PIPE.
NL7502025A (en) FITTINGS FOR A TELEVISION SET.
NL7507377A (en) GRID FOR A SPEAKER.
NL7602170A (en) FREEM FOR A RAQUET.
NL7512052A (en) MECHANICAL CONNECTOR FOR A PUSH-BUTTON ASSEMBLY.
NL7502622A (en) DEVICE FOR A WELL TUBE.
NL155066B (en) CYLINDER PIECE FOR A PILLAR.
NL7605027A (en) SHADE FOR A GREENHOUSE.

Legal Events

Date Code Title Description
P1 Automatically granted patents, except
RI Patent application has been withdrawn after publication (e.g. due to an opposition)
BI The patent application has been withdrawn