Slides on the process of the product to reach its final stages. All details to know more about the product.

1. IDEA 3

2. problem
Design a device that helps in alerting a person that new letters
just have been slotted into his/ her letterbox that can be found
in Singapore

3. criteria
• The device can’t be to big and take up space inside the letterbox.
• Able to detect presence of items
• Alerts users when mailbox is full
• Know when spam letters are put inside the letterbox

4. constraints
• Availability of technology
• Amount of users able to access to this product
• Must be accessible to people without pairing device
• Alert must be sent through mobile and stationary.

5. possible solutions
• A sensitive weighing device
• Laser scanner to scan letters
• A button to give out notification
• Motion sensor
• Sound sensor

8. survey results
Are you usually the one in the family who collects the letters in your home letterbox?
YES 9 30%
NO 21 70%

9. If any of your family members (including you) collect the letters, how
often do they collect?
Daily 9 30%
Every alternate 2 7%
days (Mon,
Wed, Fri...etc)
4-6 times per 1 3%
week
2-3 times per 13 43%
week
Once 2 7%
Other 3 10%

10. Do you get spam letters every time? (ads, property agents, flyer...etc)
YES 28 93%
NO 2 7%

11. Is there a time where you receive a really important letter but you had only
checked the letterbox days later?
YES 20 67%
NO 10 33%

12. If there was a device that gives alerts or notifications upon receiving letters in your letterbox,
would you install it in the letterbox? Yes/ No? Provide a reason.
No, hate it when my parents see my debit card history OR when RP sends warning letters & they'll take it if
they get alerts/notifications!
Yes I would. It's gonna be very convenient
Yes. I don't have to open the letter box to find out if there is mail inside but rather look at the device.
Yes.Having it allows me to know when important letter is coming i would know when to collect.
yes
yes,so if there important letter we know.
Yes and No. Yes because we would be alerted if we received a letter. No because if you get alot of letters for
that day, you will receive alot of alerts and notifications that would annoy us.
Yes, because it will really helps when you are expecting an important mails such as bills or warning letter.
Yes
yes. so i will not miss out the important letters that have dealines.
sure! why not. If its free. I think sometimes, you dont get any mail at all, and you go down to check, its a waste
of time. But if you have this, you only need to go down when you know fo sho that there's mail. nay nay is lazy.
Yes. It can easily tell me if my mail is full without having to walk a distance to check.. It would be even better if
the system can check what type of mail i have.

13. Yes. So that I won't have to waste time checking the mailbox if there's any letters
no. then everytime spam comes in it will be annoying.
Yes, It would probably remind me that to collect my letters from the letterbox
Yes. Reason is that i dont have to waste my time to go down and check and find out that there isnt any letter.
so a notification would be good.
yes, helpful for me
Yes,if is free.no,if I need to pay.it is because,I dun really need it.If I expecting an important mail then I will
regular check my mail since is nt very far from.my home.
-
No it would be irritating
yes, so that we know what letters are sent and whether is it important or not.
Yes, Considering it is free. And make sure we receive the notification at home or outside
No. certain letters are not suppose to be known to other family members.
Yes, convenience, thats why i make it a once a week thing to collect my letters
YES. My family members do always get letters but last time we didnt do it on the daily basis and we actually
saw an important letter. then we make it a daily thing
Yes, So i do not have to go check my mailbox everytime.
Yes, so i will just check the letterbox when theres any letter in it.
Yes. I can know when to collect my letters.
Yes, it is convenient
Yes, so i wont go to the letterbox finding out that there isnt any letter but flyersss

14. What other improvements can be done to the home letterbox?
Reduce junk advertisments etc!
Maybe an app or a device that will inform me when the mail is being posted in my letterbox
Design wise, look plain.
Maybe a application which syncs and alerts u in your iphone
nil
send it straight to our house
Only alert us if we get important letters
Physically, beautify it for the different levels to give a more vibrant atmosphere to the dull HDB look.
NIL
spam filter?
perhaps have a letter opener, for some people who want to open their letters down stairs.
It could be a system that automatically sends the mail to the person's house, appearing chute or
Bigger mailbox for big envolopes?
make it illegal to put in spam
NIL
Spam letter prevention device that prevent any random flyer from getting inside
better design
It can deliver right to our doorstep.' *westerner home concept'.=)
-
Hmmm maybe make it more user friendly bah
key slot sometimes jam, so if it is replace with thumb device or specific scanning it would be great.
The letter box should prevent spam of those flyers
Add like automatic disposal of flyers
-
anti-spam mailbox
Spam free?
Make the letterbox bigger so the things i ordered online can fit inside the letterbox.
Tell the person whether its a spam letter or a real letter
More storage space
Lock the front slot to prevent unauthorized flyers

15. summary of response
If there was a device that gives alerts or notifications upon
receiving letters in your letterbox, would you install it in the
letterbox? Yes/ No? Provide a reason.
5 Nos. Mostly reason of it is, the notifications that will annoy them, and reason
being letters that are not meant to be known by the other family members
25 Yeses. They want convenience, also not to miss any important letters. For
example bills or warning letters. Time is their priority.

16. What other improvements can be done to the home letterbox?
• Mostly said to reduce or eliminate the flyers that is always placed in their letterbox
• To have letter box located at every level of the house or having a westerner
concept of having mail right at our doorstep
• More space inside the letterbox

17. analysis
By looking at the survey, it can be said that the parents are the usual one to collect the
letters. Letters are mostly the one doing the billing and sorts. At most 2-3 times daily.
This shows that they are more easily to miss important letters. Shown in the statistic
that most had their experiences before. Having notification would benefit the users.
Also spam letters are the most common problem faced by the people. By the looks of
it, the design have to eliminate the spam letters and also provide alert if any case of
letters delivered.

18. inspirations

19. generating ideas
Generating ideas from the information gathered

21. ideas in more detail
A device that
gives of
transmission to
the device
located in home.
Letting the users
know how many
letters and spam
received

22. A scanner that measure the thickness of the letter,
differentiating letter and spam letters

23. Using a prepaid card and a device
where its like the mobile broadband
device. But this device instead of
receiving and giving out network. This
device will instead give a text
message to those stored contacts in
the simcard.
The roll on letter hole is also a trigger
for giving out notification. As the
roller rotates, it gives out the signal to
send the notifications

24. finalized sketches
A view of the inside
system of the
notification. Includes a
transmitter device that
only pairs with a device
located at home, giving
notifications. The sim-
transmitter also
included for sending out
text to the users mobile
phones.
The use of scanner is
included, acts as a
trigger and a spam filter.

25. Scanner that is
mounted at the other
end of the opening of
letterbox. Its like a
gantry to allow
letters to pass
through also to filter
spam letters.

26. The process of how the user gets notified.

27. final design
Letterbox

28. Home transceiver

29. Overall look

30. Mobile Transmitter

31. Transmitter

32. Scanner entrance

33. Side view of the letterbox

34. Flaps

35. This product aims to reduce spam flyers and also
being efficient to notify the users upon getting
new letter.
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