EP1619457A1 - Cooling or freezing apparatus - Google Patents

Cooling or freezing apparatus Download PDF

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Publication number
EP1619457A1
EP1619457A1 EP20050014374 EP05014374A EP1619457A1 EP 1619457 A1 EP1619457 A1 EP 1619457A1 EP 20050014374 EP20050014374 EP 20050014374 EP 05014374 A EP05014374 A EP 05014374A EP 1619457 A1 EP1619457 A1 EP 1619457A1
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EP
European Patent Office
Prior art keywords
antenna
reading
refrigerator
freezer
drawer
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.)
Withdrawn
Application number
EP20050014374
Other languages
German (de)
French (fr)
Inventor
Erwin Locher
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen GmbH
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 Liebherr Hausgeraete Ochsenhausen GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Publication of EP1619457A1 publication Critical patent/EP1619457A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2325/00—Charging, supporting or discharging the articles to be cooled, not provided for in other groups of this subclass
    • F25D2325/022—Shelves made of glass or ceramic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/06—Sensors detecting the presence of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/08—Sensors using Radio Frequency Identification [RFID]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices

Definitions

  • the invention relates to a refrigerator and / or freezer with shelves and / or drawers according to the preamble of claim 1.
  • DE 299 03 032 U and DE 298 12 877 U each describe a storage management based on contactless data transmission of transponder elements which are mounted on the goods and a reading station. At least one reader antenna is required for this data transmission.
  • DE 200 19 288 U a special antenna arrangement is described, which are attached to or in the device wall or in the device walls.
  • a disadvantage of this solution is that additional manufacturing steps are necessary for the installation of the antennas. With this solution, retrofitting non-RFID-enabled refrigerators / freezers with this technology is no longer possible.
  • the reading antenna or the reading antennas must be mounted in the interior of the refrigerator and / or freezer in order to avoid an excessive influence on the reading characteristic by the metal housing of the device.
  • the object of the invention is to develop a generic refrigerator and / or freezer such that damage or detuning of the reading antenna can be effectively prevented to ensure proper operation of the readout system.
  • the object is achieved in that in a refrigerator and / or freezer with shelves and / or drawers for storing goods provided with transponders the shelf and / or the drawers each carry a reading antenna wherein the reading antenna in the respective storage compartment or in the Drawer are integrated.
  • the reading antennas are insensitive to climatic conditions-in the refrigerator and / or freezer, for example, temperature fluctuations and humidity changes.
  • This integration also makes the reading antennas insensitive to cleaning agents.
  • the cleaning of the interior of the refrigerator / freezer or the storage compartments or drawers can be identical to a normal device.
  • the reading antenna can be surrounded by the material of the storage compartment or the drawer.
  • the storage compartment can consist of a two-layer glass plate, between the layers of which the reading antenna is arranged.
  • the reader antenna can be poured into the shelf or drawer.
  • a further advantageous embodiment of the invention is that the electronics required for tuning the reading antenna is applied directly to the tray.
  • the arrangement of the Abstlektektronik directly to the reading antenna negative influences are prevented by unshielded routing of the reading antenna in the device.
  • the solution according to the invention is also suitable for retrofitting refrigerators / freezers, since the RFID functionality is introduced into the device by exchanging the commercial storage compartment or the commercial drawer with a storage compartment with integrated reading antenna. Other modifications of the refrigerator / freezer itself are no longer necessary.
  • a glass shelf 10 is shown as a typical storage compartment of a refrigerator / freezer.
  • the glass plate 10 consists of two layers 12 and 14 lying on top of one another.
  • the reading antennas 8 are inserted between the layers, which are adhesively bonded to one another, for example via an adhesive layer 16. They are thus completely protected and are not open on the glass surface. As a result, they are protected from external environmental influences or from damage.
  • the reading antenna 18 is rectangular and runs parallel to the outer edges of the glass shelf 10.
  • any other shape for example in order of a loop, etc. can be realized within the scope of the invention.
  • the Abreektronik 20 is arranged in the corner region of the glass shelf 10, whereby negative influences by unshielded cable guides from the reading antenna to the device 20 with the included Abstlektektronik is prevented.

Abstract

The freezer has shelf compartments and/or drawers to carry a reading antenna (18), where the antenna is integrated in the compartment or in the drawer. The antenna is surrounded by a material of the shelf compartment or of the drawer. The reading antenna is arranged between layers of a two-layer glass plate (10) in the compartment. Tuning electronics associated with the antenna are arranged on the compartment or the drawer.

Description

Die Erfindung betrifft ein Kühl- und/oder Gefriergerät mit Ablageflächen und/oder Schubladen nach dem Oberbegriff des Anspruchs 1.The invention relates to a refrigerator and / or freezer with shelves and / or drawers according to the preamble of claim 1.

Im Haushalt werden in einem Kühl- und/oder Gefriergerät als Güter in der Regel Lebensmittel zur besseren Haltbarkeit gekühlt oder über einen längeren Zeitraum eingefroren. Hierbei bereitet es Schwierigkeiten, einen Überblick über die Verfallsdaten und die noch vorrätigen Mengen der in dem Kühl-/Gefriergerät befindlichen Lebensmittel zu behalten. Dadurch kommt es vor, dass die in dem Kühl-/Gefriergeräte bevorrateten Lebensmittel vor ihrem Verfallsdatum nicht aufgebraucht werden oder aber zur Neige gehen, bevor neue Lebensmittel eingekauft werden konnten.In the household in a refrigerator and / or freezer as goods usually foods are cooled for better durability or frozen over a longer period. In this case, it is difficult to keep track of the expiration dates and the still available quantities of food in the refrigerator / freezer. As a result, food stored in the refrigerator / freezer may not be used up before its expiration date, or it may run out before new food can be purchased.

Um den Inhalt eines Kühl- und/oder Gefriergerätes optimal ausnutzen zu können, ist es bereits bekannt geworden, ein berührungsloses Lesesystem auf der Basis der RFID-Technologie einzusetzen, wobei produktspezifische Daten über eine Leseantenne und ein angeschlossenes Leseteil ausgelesen werden. Diese Daten werden an ein übergeordnetes System zur Weiterverarbeitung bzw. Visualisierung weitergeleitet.In order to be able to optimally utilize the contents of a refrigerator and / or freezer, it has already become known to use a contactless reading system based on RFID technology, with product-specific data being read out via a reading antenna and a connected reading part. These dates are forwarded to a higher-level system for further processing or visualization.

In der DE 299 03 032 U und der DE 298 12 877 U wird jeweils ein Lagermanagement auf Basis berührungsloser Datenübertragung von Transponderelementen, die auf dem Gut angebracht sind, und einer Lesestation beschrieben. Für diese Datenübertragung wird mindestens eine Leseantenne benötigt. In der DE 200 19 288 U wird eine spezielle Antennenanordnung beschrieben, die an bzw. in der Gerätewand bzw. in den Gerätewänden angebracht sind. Ein Nachteil dieser Lösung ist es, dass für den Einbau der Antennen zusätzliche Fertigungsschritte notwendig sind. Bei dieser Lösung ist eine Nachrüstung nicht RFID-fähiger Kühl-/Gefriergeräte mit dieser Technologie nicht mehr möglich.DE 299 03 032 U and DE 298 12 877 U each describe a storage management based on contactless data transmission of transponder elements which are mounted on the goods and a reading station. At least one reader antenna is required for this data transmission. In DE 200 19 288 U a special antenna arrangement is described, which are attached to or in the device wall or in the device walls. A disadvantage of this solution is that additional manufacturing steps are necessary for the installation of the antennas. With this solution, retrofitting non-RFID-enabled refrigerators / freezers with this technology is no longer possible.

Da RFID-basierte Systeme durch metallische Schirmung stark beeinflusst werden, muss die Leseantenne bzw. müssen die Leseantennen im Innenraum des Kühl- und/oder Gefriergeräts angebracht sein, um eine zu starke Beeinflussung der Leseeigenschaft durch das Metallgehäuse des Geräts zu vermeiden.Since RFID-based systems are strongly influenced by metallic shielding, the reading antenna or the reading antennas must be mounted in the interior of the refrigerator and / or freezer in order to avoid an excessive influence on the reading characteristic by the metal housing of the device.

Bereits aus der DE 100 60 629 A1 bzw. der DE 100 60 156 A1 sind Kühl- und Gefriergeräte bekanntgeworden, bei denen in jedem Fachboden eine Antenne in Form einer planaren Spule angeordnet ist. Weitere planare Antennen sind jeweils in Zuordnung zu jedem Fach an der Tür angeordnet.Already known from DE 100 60 629 A1 or DE 100 60 156 A1 refrigerators and freezers have become known in which an antenna in the form of a planar coil is arranged in each shelf. Other planar antennas are each arranged on the door in association with each compartment.

Aus dem Bereich der Verkaufsregale sind Lösungen bekannt, bei denen die Leseantenne an dem Regalboden befestigt ist. Diese Lösung hat den Nachteil, dass die Antenne bei einem Einsatz in einem Kühl-/Gefriergerät dem klimatischen Einfluss der Temperatur und der Luftfeuchtigkeit direkt ausgesetzt ist und deshalb besondere Schutzmaßnahmen notwendig sind. Diese Lösung erschwert auch die gründliche Reinigung der Ablageplatte. Beim Einsatz entsprechender Reinigungsmittel kann die Antenne leicht beschädigt werden bzw. durch beschleunigte Korrosion kann die Antenne "verstimmt" werden, was die Funktionalität erheblich beeinträchtigt.From the field of store shelves solutions are known in which the reading antenna is attached to the shelf. This solution has the disadvantage that the antenna is exposed directly to the climatic influence of temperature and humidity when used in a refrigerator / freezer and therefore special protection measures are necessary. This solution also complicates the thorough cleaning of the shelf. When using appropriate cleaning agents, the antenna can be easily damaged or by accelerated corrosion, the antenna can be "detuned", which significantly affects the functionality.

Daher besteht die Aufgabe der Erfindung darin, ein gattungsgemäßes Kühl- und/oder Gefriergerät derart weiterzubilden, dass eine Beschädigung bzw. Verstimmung der Leseantenne wirksam verhindert werden kann, um die einwandfreie Funktion des Auslesesystems sicherzustellen.Therefore, the object of the invention is to develop a generic refrigerator and / or freezer such that damage or detuning of the reading antenna can be effectively prevented to ensure proper operation of the readout system.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass bei einem Kühl- und/oder Gefriergerät mit Ablageflächen und/oder Schubladen zum Lagern von mit Transpondern versehenen Gütern die Ablagefläche und/oder die Schubladen jeweils eine Leseantenne tragen wobei die Leseantenne im jeweiligen Ablagefach bzw. in der Schublade integriert sind. Durch diese Integration in dem Ablagefach bzw. in der Schublade sind die Leseantennen unempfindlich gegen klimatische Bedingungen-im Kühl- und/oder Gefriergerät, beispielsweise Temperaturschwankungen und Luftfeuchtigkeitsänderungen. Durch diese Integration werden die Leseantennen auch unempfindlich gegen Reinigungsmittel. Die Reinigung des Innenraums des Kühl-/Gefriergeräts bzw. der Ablagefächer oder Schubladen kann identisch zu einem normalen Gerät erfolgen.According to the invention the object is achieved in that in a refrigerator and / or freezer with shelves and / or drawers for storing goods provided with transponders the shelf and / or the drawers each carry a reading antenna wherein the reading antenna in the respective storage compartment or in the Drawer are integrated. This integration in the storage compartment or in the drawer, the reading antennas are insensitive to climatic conditions-in the refrigerator and / or freezer, for example, temperature fluctuations and humidity changes. This integration also makes the reading antennas insensitive to cleaning agents. The cleaning of the interior of the refrigerator / freezer or the storage compartments or drawers can be identical to a normal device.

Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den sich an den Hauptanspruch anschließenden Unteransprüchen.Advantageous embodiments of the invention will become apparent from the subsequent claims to the main claim.

Demnach kann vorteilhaft die Leseantenne vom Material des Ablagefachs bzw. der Schublade umgeben sein. So kann das Ablagefach beispielsweise aus einer Zweischichtglasplatte bestehen, zwischen deren Schichten die Leseantenne angeordnet ist. Alternativ kann aber auch die Leseantenne in die Ablageplatte bzw. Schublade eingegossen werden.Accordingly, advantageously, the reading antenna can be surrounded by the material of the storage compartment or the drawer. For example, the storage compartment can consist of a two-layer glass plate, between the layers of which the reading antenna is arranged. Alternatively, however, the reader antenna can be poured into the shelf or drawer.

Eine weitere vorteilhafte Ausgestaltung der Erfindung besteht darin, dass die zur Abstimmung der Leseantenne erforderliche Elektronik direkt auf der Ablageplatte aufgebracht ist. Durch die Anordnung der Abstimmelektronik direkt an der Leseantenne werden negative Einflüsse durch nichtgeschirmte Leitungsführung der Leseantenne im Gerät verhindert.A further advantageous embodiment of the invention is that the electronics required for tuning the reading antenna is applied directly to the tray. The arrangement of the Abstlektektronik directly to the reading antenna negative influences are prevented by unshielded routing of the reading antenna in the device.

In besonders vorteilhafter Art und Weise ist die erfindungsgemäße Lösung auch für die Nachrüstung von Kühl-/Gefriergeräten geeignet, da durch Austauschen des handelsüblichen Ablagefachs bzw. der handelsüblichen Schublade mit einem Ablagefach mit integrierter Leseantenne die RFID-Funktionalität in das Gerät eingebracht wird. Sonstige Umbauten des Kühl-/Gefriergerätes selbst sind nicht mehr notwendig.In a particularly advantageous manner, the solution according to the invention is also suitable for retrofitting refrigerators / freezers, since the RFID functionality is introduced into the device by exchanging the commercial storage compartment or the commercial drawer with a storage compartment with integrated reading antenna. Other modifications of the refrigerator / freezer itself are no longer necessary.

Weitere Merkmale, Einzelheiten und Vorteile der Erfindung ergeben sich aus einem in der Zeichnung dargestellten Ausführungsbeispiel. Es zeigen:

Figur 1:
eine Draufsicht auf ein Ablagefach gemäß einer bevorzugten Ausgestaltung der vorliegenden Erfindung und
Figur 2:
einen Schnitt entlang der Linie A-A in Figur 1.
Further features, details and advantages of the invention will become apparent from an embodiment shown in the drawing. Show it:
FIG. 1:
a plan view of a storage compartment according to a preferred embodiment of the present invention and
FIG. 2:
a section along the line AA in Figure 1.

In Figur 1 ist beispielhaft eine Glasablageplatte 10 als ein typisches Ablagefach eines Kühl-/Gefriergeräts gezeigt. Wie der Schnittdarstellung in Figur 2 entnommen werden kann besteht hier die Glasplatte 10 aus zwei aufeinanderliegenden Schichten 12 und 14. Zwischen den Schichten, die beispielsweise über einer Klebeschicht 16 miteinander verklebt sind, sind die Leseantennen 8 eingelegt. Sie sind also rundum geschützt und liegen nicht offen auf der Glasoberfläche. Dadurch sind sie von Außenumgebungseinflüssen bzw. vor Beschädigungen geschützt. Im hier dargestellten Ausführungsbeispiel ist die Leseantenne 18 rechteckig ausgeführt und läuft parallel nahe den Außenkanten der Glasablageplatte 10. Selbstverständlich kann an Stelle dieser Form der Leseantenne 18 jede beliebige andere Form, beispielsweise in Anordnung einer Schleife etc. im Rahmen der Erfindung realisiert werden.In FIG. 1, by way of example, a glass shelf 10 is shown as a typical storage compartment of a refrigerator / freezer. As can be seen from the sectional illustration in FIG. 2, the glass plate 10 consists of two layers 12 and 14 lying on top of one another. The reading antennas 8 are inserted between the layers, which are adhesively bonded to one another, for example via an adhesive layer 16. They are thus completely protected and are not open on the glass surface. As a result, they are protected from external environmental influences or from damage. In the embodiment shown here, the reading antenna 18 is rectangular and runs parallel to the outer edges of the glass shelf 10. Of course, instead of this form of the reading antenna 18 any other shape, for example in order of a loop, etc. can be realized within the scope of the invention.

Im Eckbereich der Glasablageplatte 10 ist die Abstimmelektronik 20 angeordnet. Diese ist also unmittelbar mit der Leseantenne verbunden, wodurch negative Einflüsse durch nichtgeschirmte Leitungsführungen von der Leseantenne zum Gerät 20 mit der enthaltenen Abstimmelektronik verhindert wird.In the corner region of the glass shelf 10, the Abstimmenektronik 20 is arranged. This is thus directly connected to the reading antenna, whereby negative influences by unshielded cable guides from the reading antenna to the device 20 with the included Abstlektektronik is prevented.

Claims (4)

Kühl- und/oder Gefriergerät mit Ablagefächern und/oder Schubladen zum Lagern von mit Transpondern versehenen Gütern, wobei die Ablagefächer und /oder die Schubladen jeweils eine Leseantenne tragen,
dadurch gekennzeichnet,
dass die Leseantenne im Ablagefach bzw. in der Schublade integriert ist.Refrigerator and / or freezer with storage compartments and / or drawers for storing goods provided with transponders, the storage compartments and / or the drawers each carrying a reading antenna,
characterized,
is integrated to the reading antenna in the storage compartment in the drawer. Kühl- und/oder Gefriergerät nach Anspruch 1, dadurch gekennzeichnet, dass die Leseantenne vom Material des Ablagefaches bzw. der Schublade umgeben ist.The refrigerator and / or freezer according to claim 1, characterized in that the reading antenna is surrounded by the material of the storage compartment or the drawer. Kühl- und/oder Gefriergerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Ablagefach aus einer Zweischichtglasplatte besteht, zwischen deren Schichten die Leseantenne angeordnet ist.The refrigerator and / or freezer according to claim 1 or 2, characterized in that the storage compartment consists of a two-layer glass plate, between the layers of the reading antenna is arranged. Kühl- und/oder Gefriergerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet dass die der Leseantenne zugeordnete Abstimmelektronik unmittelbar auf dem Ablagefach bzw. der Schublade angeordnet istRefrigerating and / or freezing appliance according to one of claims 1 to 3, characterized in that the read antenna associated Abstimmektronik is arranged directly on the storage compartment or the drawer
EP20050014374 2004-07-02 2005-07-01 Cooling or freezing apparatus Withdrawn EP1619457A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202004010404U DE202004010404U1 (en) 2004-07-02 2004-07-02 Fridge and / or freezer

Publications (1)

Publication Number Publication Date
EP1619457A1 true EP1619457A1 (en) 2006-01-25

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ID=35219493

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Application Number Title Priority Date Filing Date
EP20050014374 Withdrawn EP1619457A1 (en) 2004-07-02 2005-07-01 Cooling or freezing apparatus

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US (1) US20060000225A1 (en)
EP (1) EP1619457A1 (en)
DE (1) DE202004010404U1 (en)

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Publication number Priority date Publication date Assignee Title
WO2008129519A2 (en) * 2007-04-24 2008-10-30 Bacon, Brian Low temperature storage system
US20150023000A1 (en) * 2013-07-17 2015-01-22 Whirlpool Corporation Lighted refrigerator shelf with overmold
JP7034855B2 (en) * 2018-07-26 2022-03-14 シャープ株式会社 refrigerator
EP3812312B1 (en) * 2018-08-03 2023-08-02 PHC Holdings Corporation Drug storage box
WO2021205785A1 (en) * 2020-04-06 2021-10-14 Ｐｈｃホールディングス株式会社 Drug storage box

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Publication number Priority date Publication date Assignee Title
EP0974798A2 (en) * 1998-07-20 2000-01-26 Liebherr-Hausgeräte Gmbh Freezer
JP2002081848A (en) * 2000-09-06 2002-03-22 Toshiba Corp Food controlling and preserving chamber
FR2817354A1 (en) * 2000-11-27 2002-05-31 Jouan Sa ASSEMBLY COMPRISING A SPEAKER AND A RADIO FREQUENCY WAVE COMMUNICATION SYSTEM WITH OBJECTS PLACED IN THE SPEAKER
DE10060156A1 (en) * 2000-12-04 2002-06-13 Bsh Bosch Siemens Hausgeraete Contents monitoring system for freezer incorporates antennas in shelves and in door and includes transponders and control circuit
DE10060629A1 (en) * 2000-12-06 2002-06-13 Bsh Bosch Siemens Hausgeraete Foodstuffs monitoring system for storage refrigerator has chemical sensor in storage chamber to detect presence of molecules characteristic of foodstuff
US20030222044A1 (en) * 2002-05-31 2003-12-04 Marco Maritan Food support element for removable insertion into a refrigeration compartment having differential temperature zones

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20019288U1 (en) * 2000-11-14 2002-03-28 Liebherr Hausgeraete Reading antenna for refrigerators and freezers
FR2832241B1 (en) * 2001-11-09 2004-04-09 Allibert Equipement DEVICE TRACEABLE BY AN ELECTRONIC IDENTIFIER

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0974798A2 (en) * 1998-07-20 2000-01-26 Liebherr-Hausgeräte Gmbh Freezer
JP2002081848A (en) * 2000-09-06 2002-03-22 Toshiba Corp Food controlling and preserving chamber
FR2817354A1 (en) * 2000-11-27 2002-05-31 Jouan Sa ASSEMBLY COMPRISING A SPEAKER AND A RADIO FREQUENCY WAVE COMMUNICATION SYSTEM WITH OBJECTS PLACED IN THE SPEAKER
DE10060156A1 (en) * 2000-12-04 2002-06-13 Bsh Bosch Siemens Hausgeraete Contents monitoring system for freezer incorporates antennas in shelves and in door and includes transponders and control circuit
DE10060629A1 (en) * 2000-12-06 2002-06-13 Bsh Bosch Siemens Hausgeraete Foodstuffs monitoring system for storage refrigerator has chemical sensor in storage chamber to detect presence of molecules characteristic of foodstuff
US20030222044A1 (en) * 2002-05-31 2003-12-04 Marco Maritan Food support element for removable insertion into a refrigeration compartment having differential temperature zones

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 07 3 July 2002 (2002-07-03) *

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US20060000225A1 (en) 2006-01-05
DE202004010404U1 (en) 2005-11-17

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